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BMW Downpipes

When BMW began to offer more and more forced induction vehicles, some enthusiasts were upset and others were excited about the big power potential. While we love older, naturally aspirated BMWs, we LOVE forced induction BMWs. Upgrading your downpipe (or downpipes) is one of the easiest ways to reduce restriction and add more power to your BMW. We offer several brands, including our own designs, of downpipes for your BMW!
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VRSF Catted Downpipes
We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:13036534
Part#: VRSFCD1922
Ships in 2 Business Days
$ 599.00 USD
Free Shipping
$ 599.00 USD
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These catted downpipes from VRSF are the best bang for the buck mod available for your S58. With these u[graded downpipes, backpressures is significantly reduced, letting the turbo spool faster and increase power. As direct bolt ons, these downpipes can give up to 30whp and 35wtq increase.
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CTS - Corporate Logo
T#:589512
Part#: CTSEXHDP0024SCAT
Ships in 8 Business Days
$ 459.99 USD
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$ 459.99 USD
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4.5″ High flow catted downpipe that delivers uncompromising performance.
VRSF Stainless Steel Downpipe Upgrade - F26 N55
We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:585138
Part#: 10262010KT
Back Ordered
Starting at $ 419.98 USD
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Starting at $ 419.98 USD
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Reduce back-pressure by eliminating/upgrading the restrictive catalytic converter in the factory downpipe. Expect an increase in power as well as a more aggressive exhaust tone. This downpipe is handcrafted from SS304 grade stainless steel with smooth radius bends to decrease turbulence and flow. VRSF offers high quality products at an exceptional value, including a lifetime warranty.
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Evolution Racewerks - Corporate Logo
T#:558983
Part#: BMEXH018C
Ships in 8 Business Days
Starting at $ 945.00 USD
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Starting at $ 945.00 USD
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Want to install a downpipe on your B58 equipped BMW, but still need to pass emissions? Evolution Racewerks has the answer for you with their B58 Catted downpipe. The Evolution Racewerks Competition Series Catless Downpipes is constructed from 304 stainless steel, featuring mandrel bent piping.  These are 100% TIG welded by in house fabricators and built in the USA! 

The factory turbocharger turbine housing utilizes a V-Band flange which has been duplicated and CNC machined cut out of billet 304 stainless steel. Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods. The O2 sensor remains positioned at the factory location. Also, since Evolution Racewerks uses a larger 4.5" pipe right after the turbocharger, turbo backpressure is significantly reduced, resulting in less exhaust turbulence and backpressure which again improves throttle response and decreasing turbo lag.

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Supersprint - Corporate Logo
T#:351469
Part#: 986321
Ships in 4 Business Days
$ 2,886.99 USD
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$ 2,886.99 USD
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Genuine BMW - Corporate Logo
T#:48827
Part#: 18407645241
Ships in 1-2 days
$ 3,533.99 USD
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$ 3,533.99 USD
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Price includes an $1800.00 refundable core charge.

Racing Dynamics - Corporate Logo
T#:638275
Part#: 1301063340
Ships in 6 Business Days
$ 1,795.00 USD
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$ 1,795.00 USD
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Racing Dynamics has been a huge part of the European community since the early 80's. Their sway bars and strut braces are developed from pure professional experience, utilizing the expertise of skilled race engineers to develop or improve products to meet the demands of BMW drivers. The dedicated focus on performance, comfort, and strength are what make Racing Dynamics products the best on the market no matter if it's street or track.
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Racing Dynamics - Corporate Logo
T#:640218
Part#: 1301056600
In Stock
$ 595.00 USD
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$ 595.00 USD
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Racing Dynamics - Corporate Logo
T#:638274
Part#: 1301055450
Ships in 6 Business Days
$ 1,390.00 USD
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$ 1,390.00 USD
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Racing Dynamics has been a huge part of the European community since the early 80's. Their sway bars and strut braces are developed from pure professional experience, utilizing the expertise of skilled race engineers to develop or improve products to meet the demands of BMW drivers. The dedicated focus on performance, comfort, and strength are what make Racing Dynamics products the best on the market no matter if it's street or track.
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Akrapovic - Corporate Logo
T#:343409
Part#: DP-MINR56/57
Back Ordered
$ 1,420.99 USD
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$ 1,420.99 USD
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Upgrade your MINI Cooper S R56 with the Akrapovic DP exhaust system for enhanced performance and a thrilling sound experience. Crafted from high-quality materials, this exhaust system offers a blend of style, durability, and performance. It's designed to optimize exhaust flow, resulting in improved horsepower and torque while reducing weight. Whether you're looking to enhance the driving dynamics or simply enjoy a deeper exhaust note, the Akrapovic DP exhaust is the perfect choice for MINI enthusiasts.

  • Enhanced exhaust flow for improved performance
  • Lightweight construction reduces overall vehicle weight
  • Premium materials ensure durability and longevity
  • Produces a deeper, sportier exhaust sound

Upgrade your MINI Cooper S R56 with the Akrapovic DP exhaust system to elevate both the performance and auditory experience of your vehicle.

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Racing Dynamics - Corporate Logo
T#:4988538
Part#: 1301058360
In Stock
$ 1,045.00

This product was last offered at the strikethrough price on
05-19-2026

$ 950.99 USD
Limited Qty Sale
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$ 1,045.00

This product was last offered at the strikethrough price on
05-19-2026

$ 950.99 USD
Limited Qty Sale
Free Shipping
Catted Downpipe by Racing Dynamics for B58 Powered G2x M340i/M440i including Xi models. These parts are intended for off road or track use only! This product is sold for off road use only. It is not legal for use on public highways. This product is not for sale or use in California. It is available to our international customers for use within legal limits in their area of residence. Features: Reduction in turbo lag Less stress from the turbocharger Up to 25hp increase from stock when paired with a proper tune Direct bolt-on replacement for OEM Large 4 1/2" inlet flange, 4" mandrel bent downpipe manufactured out of 304 stainless steel, TIG welded with brushed finish. Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound Includes flex joint to reduce vibration from the engine and allows alignment during installation Downpipe includes a 200 cell Euro 5 sport catalytic converter for a cleaner environment
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Active Autowerke - Corporate Logo
T#:39497972
Part#: 11-085A
In Stock
5% off MSRP $ 2,399.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,279.00 USD
Free Shipping
5% off MSRP
$ 2,399.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,279.00 USD
Free Shipping
For the owner of a flagship G-series M-car, Active Autowerke provides a "no-compromise" performance upgrade that prioritizes both power and daily-driver refinement. These downpipes feature integrated GESI G-Sport catalytic converters, which are EPA-registered and fully OBD2 compliant. Utilizing proprietary precious metal loading, these converters reach operational efficiency within just 9 seconds of startup, drastically reducing emissions and eliminating the pungent exhaust smells common with aftermarket pipes. Designed as a direct bolt-on replacement, this system preserves your car's sophisticated electronics while providing a deep, aggressive V8-like growl that the S58 engine was always meant to have. Key Features: Refined Exhaust Note: Increases the volume and depth of the exhaust tone while maintaining a drone-free cabin. Fast Catalyst Light-Off: Proprietary loading technology ensures emissions systems satisfy factory monitors quickly. Corrosion Resistance: High-grade T304 stainless steel substrate is furnace-braised to the mantle for outstanding durability. Precision Casting: Casted upper flanges provide superior strength compared to standard cut-and-weld alternatives. Warranty Protected: Covered by a 5-year/50,000-mile structural warranty and a 2-year/25,000-mile catalyst core warranty.* Specifications: System Type: Twin Catted Downpipes Weight Reduction: Significantly lighter than the heavy ceramic factory assemblies Flow Rating: Engineered for engines producing up to 850 HP Hardware: Includes lower mounting brackets and precision V-bands Manufacturing: Hand-fabricated in the USA Vehicle Fitment: * 2021+ BMW M3 Sedan (G80) / Competition / xDrive 2021+ BMW M4 Coupe (G82) / Competition / xDrive 2023+ BMW M2 (G87) *Important Note: The catalyst warranty is void if the vehicle is equipped with an "aggressive burble" tune, as excessive backfire can physically degrade the catalyst core over time.
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Supersprint - Corporate Logo
T#:588532
Part#: 98174121KT
Ships in 4 Business Days
$ 6,674.99 USD
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$ 6,674.99 USD
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100% handcrafted in Italy. Stainless steel construction. Legendary sound!
Valvetronic Designs - Corporate Logo
T#:52516242
Part#: G8XFF400CBR
In Stock
New Item
$ 2,249.99 USD
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$ 2,249.99 USD
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The BMW G8X M2, M3, and M4 represent the next evolution of M performance, powered by the highly capable S58 twin-turbo inline-6. While factory catalysts prioritize restriction and sound suppression, our NEW EPA-compliant 400-cell high-flow catted downpipes are engineered to reduce exhaust backpressure, enhance turbo efficiency, and unlock a sharper, more aggressive exhaust character — all while maintaining emissions compliance standards.
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Supersprint - Corporate Logo
T#:184161
Part#: 831221
Ships in 4 Business Days
$ 2,487.99 USD
Free Shipping
$ 2,487.99 USD
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Free ground shipping! 

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

NOTE: Supersprint engineers and manufactures complete exhaust systems. This part was designed to be used with the rest of the Supersprint system on this car but may be used on its own. Contact us for more details.
 

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 

 

 

 

 

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AFE - Corporate Logo
T#:388525
Part#: 48-36302KT1
Back Ordered
$ 595.00 USD
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$ 595.00 USD
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This awesome Mach Force XP Down Pipe produces 14 horsepower and 39 lbs. x ft. of torque at 1900 RPM. The Mach Force XP down pipe is constructed of mandrel bent, brushed 304 stainless steel tubing and flanges and uses all factory mounting locations. Using a unique resonance chamber to capture sound waves and minimize exhaust "drone", this system produces an aggressive tone on throttle but a smooth sound at cruising speeds without affecting performance. This down pipe is 100% TIG-Welded. Note: this product will activate the check engine light.

This part alters or deletes the emissions equipment on your car, and may not meet emissions standards in all states. Because of this, we require a waiver of emissions compliance to be signed and sent in to TMS. You can download the waiver here.

Left Hand Drive ONLY

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Evolution Racewerks - Corporate Logo
T#:14155795
Part#: MI-EXH001TBCAT
Ships in 8 Business Days
$ 995.00 USD
Free Shipping
$ 995.00 USD
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Supersprint - Corporate Logo
T#:184355
Part#: 986721
Ships in 4 Business Days
$ 3,207.99 USD
Free Shipping
$ 3,207.99 USD
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Free ground shipping! 

The factory M5/M6 exhaust system is very wide open with minimal restrictions - except for the catalytic converters. The factory ceramic cat is the biggest restriction so any exhaust work to gain more power is going to have to involve replacing it with something freer-flowing. Supersprint's downpipe incorporates a high-flow HJS 200-cell metallic cat that flows considerably more than the stock ceramic part. This cat downpipe is for the right bank.

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

Supersprint metallic sport catalytic converters are sourced from HJS of Germany. For 30 years HJS has been supplying motorsports teams with sport cats when rules required them. HJS is now a worldwide leader in sport cat technology and performance. Rally cars, German DTM, and Formula 3 all rely on HJS for clean, reliable horsepower. Supersprint works closely with HJS to spec a catalytic converter that is correct for the vehicle and engine package. This allows for a substantial increase in flow but which, at the same time, keeps the environmental specs within European limits. With any high-flow catalytic converter, special software or other work may be required to keep emissions fault codes and check engine lights from displaying. Supersprint catalytic converters are sold for track and other off-road uses only.

 

section:right downpipe

required:Supersprint section 1

material:T304 stainless steel

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 

 


This item fits the following BMWs:
2012+ F10 BMW M5
2012+ F12 F13 BMW M6
2012+ F06 BMW M6 Gran Coupe

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Supersprint - Corporate Logo
T#:387927
Part#: 988641
Ships in 4 Business Days
$ 3,122.99 USD
Free Shipping
$ 3,122.99 USD
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Free ground shipping! The factory 235/335/435 N55 exhaust system is pretty wide open with minimal restrictions - except for the catalytic converter. The factory cat is the biggest restriction so any exhaust work to gain more power is going to have to involve replacing it with something freer-flowing. Supersprint's downpipe incorporates a ultra high-flow HJS 200-cell metallic cat that flows considerably more than the stock ceramic part. It also uses bigger 80mm piping to minimize restrictions. Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation! Supersprint metallic sport catalytic converters are sourced from HJS of Germany. For 30 years HJS has been supplying motorsports teams with sport cats when rules required them. HJS is now a worldwide leader in sport cat technology and performance. Rally cars, German DTM, and Formula 3 all rely on HJS for clean, reliable horsepower. Supersprint works closely with HJS to spec a catalytic converter that is correct for the vehicle and engine package. This allows for a substantial increase in flow but which, at the same time, keeps the environmental specs within European limits. With any high-flow catalytic converter, special software or other work may be required to keep emissions fault codes and check engine lights from displaying. Supersprint catalytic converters are sold for track and other off-road uses only. 200-cell cats have 200 honeycomb cells per square inch. This is much better flow than stock but still does a good job of cleansing the exhaust. Dyno (M135i): +28hp / +17ft-lbs Supersprint downpipe with sport cat section 1, section 2 straight pipes performance muffler This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.
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Supersprint - Corporate Logo
T#:395566
Part#: 521632
Ships in 4 Business Days
$ 2,092.99 USD
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$ 2,092.99 USD
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Evolution Racewerks - Corporate Logo
T#:14155794
Part#: MI-EXH001PCAT
Ships in 8 Business Days
$ 945.00 USD
Free Shipping
$ 945.00 USD
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Supersprint - Corporate Logo
T#:390701
Part#: 524321
Ships in 4 Business Days
$ 2,363.99 USD
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$ 2,363.99 USD
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Evolution Racewerks - Corporate Logo
T#:14155793
Part#: MI-EXH001SCAT
Ships in 3 Business Days
$ 895.00 USD
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$ 895.00 USD
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Active Autowerke GESI Catted Downpipe - B58N M340i/440i
For Model Years 2025+ - Please call in with vin prior to purchase
Active Autowerke - Corporate Logo
T#:51320822
Part#: 11-062G
Ships on Oct 16, 2026
New Item
$ 2,374.00 USD
Free Shipping
$ 2,374.00 USD
Free Shipping
For the owner of a brand new 2025+ M340i or M440i, Active Autowerke provides a "no-compromise" performance upgrade that prioritizes durability and emissions compliance. This downpipe features an integrated GESI G-Sport catalytic converter, which is EPA-registered and fully OBD2 compliant (excluding California). These high-flow units use proprietary precious metal loading to reduce harmful emissions and eliminate the raw fuel odors common with "catless" systems. The 400-cell stainless steel substrate is furnace-braised to the mantle for outstanding resistance to vibration and thermal shock, ensuring that your performance gains remain trouble-free over the life of the vehicle.Key Features:49-State Legal: EPA-registered and fully OBD2 compliant (Excludes California).Cast V-Band Flange: Precision-casted upper stainless steel V-band for a factory-perfect, leak-free seal to the turbocharger.Fast Light-Off: Reaches operational efficiency within just 9 seconds of startup, satisfying factory emissions monitors.Industrial Grade Materials: Full 304 stainless steel construction ensures maximum resistance to heat and corrosion.Warranty Protected: Covered by a 5-year/50,000-mile structural warranty and a 2-year/25,000-mile catalyst core warranty.*Specifications:SKU: 11-063NConstruction: TIG-welded heavy-gauge 304 StainlessCatalyst Size: 4.5" Diameter High-Flow CorePower Capacity: Engineered for high-output setups (up to 850 HP)Compatibility: Integrates with factory O2 sensors and mounting pointsVehicle Fitment: * 2025+ BMW M340i / M340i xDrive (G20)2025+ BMW M440i / M440i xDrive (G22/G23/G26)
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Magnaflow - Corporate Logo
T#:1980626
Part#: 49350
Ships in 2 Business Days
$ 913.00 USD
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$ 913.00 USD
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MINI R56 Direct-Fit Downpipe With Catalytic Converter provides a high-quality replacement for your vehicle's factory downpipe and catalytic converter, ensuring optimal performance and emissions compliance. The catalytic converter in this downpipe is designed to convert exhaust gases into less toxic substances through its advanced internal honeycomb monolith and precious metal catalyst. This component is crucial for passing emissions tests and reducing engine emissions.

  • Stainless Steel Construction: Durable and resistant to corrosion for long-lasting performance.
  • Federal Emissions Compliant Design: Meets regulations for emissions, ensuring legality and performance.
  • Enhanced Reliability: Direct-fit design replaces faulty or damaged catalytic converters, addressing common issues like oxygen sensor faults.
  • Optimized for Gas and Diesel Applications: Versatile use across different engine types.

Replacing a failing catalytic converter with this direct-fit downpipe will alleviate concerns about emissions testing and restore efficient engine operation.

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034Motorsport Stainless Steel Racing Catalyst/Downpipe
2X Entries Into Our F80 M3 Sweepstakes
034Motorsport - Corporate Logo
T#:26771743
Part#: 034-105-4051
Ships in 3 Business Days
$ 1,158.00 USD
Free Shipping
$ 1,158.00 USD
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The 034Motorsport Stainless Steel Racing Catalyst is purpose-built to replace the restrictive factory catalytic converter in BMW F2x/F3x B58 vehicles. With this downpipe installed, drivers can expect significant gains in horsepower and torque throughout the powerband. Additionally, turbocharger lag is reduced, throttle response is improved, and the exhaust note is enhanced for a more aggressive tone. By eliminating the primary bottleneck in the stock exhaust system, this upgrade allows owners to fully unlock the potential of their turbocharged engines.
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Supersprint - Corporate Logo
T#:395353
Part#: 989241KT
Ships in 4 Business Days
$ 6,890.99 USD
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$ 6,890.99 USD
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The stock down pipes cause a major restriction in the exhaust flow. BMW's solution to deal with the limited space in the engine compartment is to crush the turbo outlet tubes to reduce the size of the tubing. Doing this created undesirable backpressure. For emission purposes the factory also incorporated built-in pre-cats directly after the turbo outlet ports. This make the exhaust gas backpressure rise to extremely high levels at all rpm and engine loads. This design retains excessive heat in the engine and affects performance in a negative way. The design of the Supersprint down pipes takes advantage of even the smallest space available and frees the exhaust gas flow dramatically. The SS pipe cross section (no crushed pipe) remains constant all along the down pipes and the pre-cats are totally eliminated.

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!
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Magnaflow - Corporate Logo
T#:1980627
Part#: 5461350
EO#: D-193-140
Ships in 2 Business Days
$ 2,047.00 USD
Free Shipping
$ 2,047.00 USD
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Eisenmann - Corporate Logo
T#:584684
Part#: B5555.2DP1.BKT
Back Ordered
$ 2,895.00 USD
Free Shipping
$ 2,895.00 USD
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Improved power and throttle response
Supersprint - Corporate Logo
T#:582488
Part#: 525241KT
Ships in 4 Business Days
$ 7,727.99 USD
Free Shipping
$ 7,727.99 USD
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The factory M5 exhaust system is pretty wide open with minimal restrictions - except for the catalytic converter. The factory cat is the biggest restriction so any exhaust work to gain more power is going to have to involve replacing it with something freer-flowing. Supersprint's downpipe incorporates an ultra high-flow HJS 200-cell metallic cat that flows considerably more than the stock ceramic part. It also uses bigger 80mm piping to minimize restrictions. Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price, Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long-lasting construction, and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preference. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation! Supersprint metallic sport catalytic converters are sourced from HJS of Germany. For 30 years HJS has been supplying motorsports teams with sport cats when rules required them. HJS is now a worldwide leader in sport cat technology and performance. Rally cars, German DTM, and Formula 3 all rely on HJS for clean, reliable horsepower. Supersprint works closely with HJS to spec a catalytic converter that is correct for the vehicle and engine package. This allows for a substantial increase in flow but which, at the same time, keeps the environmental specs within European limits. With any high-flow catalytic converter, special software or other work may be required to keep emissions fault codes and check engine lights from displaying. Supersprint catalytic converters are sold for track and other off-road uses only. 200-cell cats have 200 honeycomb cells per square inch. This is much better flow than stock but still does a good job of cleansing the exhaust.
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Active Autowerke - Corporate Logo
T#:2393421
Part#: 11-063
Ships on Oct 16, 2026
5% off MSRP $ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD
Free Shipping
5% off MSRP
$ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD
Free Shipping
For over 30 years, Active Autowerke has been the one to turn to for high quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about. These S63 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory M5 downpipes therefore reducing radiant heat and increasing performance. Features: NO CEL when using this downpipe GESI EPA registered high flow and fully OBD2 compliant Casted upper stainless steel V-Band for precise fitment 4.50" diameter piping allows for maximum power output Quicker turbo spool Rated for 500 to 850 hp applications Withstands up to 1500 F Can reach operational efficiency within 9 seconds of startup Easily bolts-on no cutting or welding required Accepts OEM O2 sensor heat shield Durable construction from TIG welded 304 stainless steel Precise fitment Ultra high flow 400 cell per square inch catalyst EPA compliant for use on OBD2 vehicles (1996 and newer) except in California 304 stainless steel substrate is furnace braised to the mantle for outstanding durability GESi proprietary precious metal loading technology ensures greatly reduced emissions Ideal for Forced Induction Applications with no loss of HP Both passengers and drivers are safe from harmful emissions and noise Covered by 5 Year / 50,000 Mile Warranty (on catalytic converter) Made in Miami, Florida
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Supersprint - Corporate Logo
T#:2824964
Part#: 989741KT
Ships in 4 Business Days
$ 7,228.99 USD
Free Shipping
$ 7,228.99 USD
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Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preference. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation! NOTE: Supersprint engineers and manufactures complete exhaust systems. This part was designed to be used with the rest of the Supersprint system on this car but may be used on its own. Contact us for more details. This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.
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Supersprint - Corporate Logo
T#:393674
Part#: 524241
Ships on Jan 11, 2027
$ 3,372.99 USD
Free Shipping
$ 3,372.99 USD
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Supersprint - Corporate Logo
T#:597807
Part#: 40311
Ships on Jan 11, 2027
$ 774.99 USD
Free Shipping
$ 774.99 USD
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Active Autowerke - Corporate Logo
T#:50837018
Part#: 11-070A
Ships in 4 Business Days
$ 2,399.00 USD
Free Shipping
$ 2,399.00 USD
Free Shipping
These downpipes provide faster turbo spool, increased power, and a high-performance exhaust sound.
Milltek Sport - Corporate Logo
T#:591403
Part#: SSXBM1037
Ships on Oct 22, 2026
Sale - Save 10% $ 2,876.99

This product was last offered at the strikethrough price on
09-18-2026

$ 2,588.54 USD
Free Shipping
Sale - Save 10%
$ 2,876.99

This product was last offered at the strikethrough price on
09-18-2026

$ 2,588.54 USD
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With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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Supersprint - Corporate Logo
T#:585585
Part#: 525741
Ships in 4 Business Days
$ 3,546.99 USD
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$ 3,546.99 USD
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Supersprint - Corporate Logo
T#:184361
Part#: 986741
Ships in 4 Business Days
$ 3,207.99 USD
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$ 3,207.99 USD
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Free ground shipping! The factory M5/M6 exhaust system is very wide open with a minimal of restrictions - except for the catalytic converters. The factory ceramic cat is the biggest restriction so any exhaust work to gain more power is going to have to involve replacing it with something freer-flowing. Supersprint's downpipe incorporates a high-flow HJS 200-cell metallic cat that flows considerably more than the stock ceramic part. This cat downpipe is for the left bank.

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

Supersprint metallic sport catalytic converters are sourced from HJS of Germany. For 30 years HJS has been supplying motorsports teams with sport cats when rules required them. HJS is now a worldwide leader in sport cat technology and performance. Rally cars, German DTM, and Formula 3 all rely on HJS for clean, reliable horsepower. Supersprint works closely with HJS to spec a catalytic converter that is correct for the vehicle and engine package. This allows for a substantial increase in flow but which, at the same time, keeps the environmental specs within European limits. With any high-flow catalytic converter, special software or other work may be required to keep emissions fault codes and check engine lights from displaying. Supersprint catalytic converters are sold for track and other off-road uses only.

 

section:left downpipe

required:Supersprint section 1

material:T304 stainless steel

 

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 


This item fits the following BMWs:
2012+ F10 BMW M5
2012+ F12 F13 BMW M6
2012+ F06 BMW M6 Gran Coupe
Left Hand Drive ONLY

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Supersprint - Corporate Logo
T#:351451
Part#: 985522
Ships on Jan 11, 2027
$ 823.99 USD
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$ 823.99 USD
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100% handcrafted in Italy. Stainless steel construction. Legendary sound!

Supersprint - Corporate Logo
T#:589158
Part#: 985502KT
Ships in 4 Business Days
$ 7,581.99 USD
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$ 7,581.99 USD
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100% handcrafted in Italy. Stainless steel construction. Legendary sound!

Supersprint - Corporate Logo
T#:184266
Part#: 981741
Ships in 4 Business Days
$ 3,337.99 USD
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$ 3,337.99 USD
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Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

NOTE: Supersprint engineers and manufactures complete exhaust systems. This part was designed to be used with the rest of the Supersprint system on this car but may be used on its own. Contact us for more details.
 

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 

 

 

 

 

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Milltek Sport - Corporate Logo
T#:591396
Part#: SSXBM1039
Ships on Oct 22, 2026
Sale - Save 10% $ 2,935.99

This product was last offered at the strikethrough price on
09-18-2026

$ 2,641.51 USD
Free Shipping
Sale - Save 10%
$ 2,935.99

This product was last offered at the strikethrough price on
09-18-2026

$ 2,641.51 USD
Free Shipping
With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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Active Autowerke - Corporate Logo
T#:51110141
Part#: 11-041AF
Ships in 4 Business Days
$ 2,279.00 USD
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$ 2,279.00 USD
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For the BMW enthusiast seeking an aggressive upgrade for their 2010–2012 X5M or X6M without the drawbacks of "stinky" exhaust or frequent error codes, Active Autowerke offers the Aflow Catted Downpipes. These units provide the performance benefits typically associated with track-only pipes while maintaining high-flow catalytic efficiency. This design prevents the raw fuel odor and excessive cabin drone often found in catless setups, making them the ideal choice for a performance-oriented daily driver. Each set is custom-made in Miami, ensuring an exact, surgical fit to the factory mounting points. By utilizing high-quality casted V-band flanges and premium materials, these downpipes offer a reliable, leak-free solution that enhances the sophisticated V8 exhaust note without triggering the Check Engine Light (CEL). Key Features: No CEL Guarantee: Advanced Aflow catalyst design avoids catalytic efficiency warnings on the dashboard. Refined Exhaust Note: Enhances the natural V8 growl while maintaining high-end luxury refinement. Cast V-Band Connections: Precision upper flanges ensure a perfect, factory-like seal to the turbo housing. Direct Bolt-On: Replaces bulky OEM ceramic converters with no cutting or welding required. Thermal Management: Efficiently handles the high heat output of the BMW twin-turbo V8 platform. U.S. Manufacturing: Fabricated in-house to meet Active Autowerke’s high standards of quality control. Specifications: Primary Material: TIG-Welded 304 Stainless Steel. Manufacturing Location: Miami, FL, USA. Inlet Type: Casted Stainless Steel Flange. Weight Reduction: Significantly lighter than the heavy factory ceramic catalytic assemblies. Finish: Industrial brushed stainless. Build Time: Custom made-to-order (Approx. 2 weeks).
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Armytrix - Corporate Logo
T#:12643097
Part#: BMF43-CDC
Ships on Oct 22, 2026
$ 1,480.00 USD
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$ 1,480.00 USD
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Evolution Racewerks - Corporate Logo
T#:599274
Part#: BM-EXH025
Back Ordered
Starting at $ 1,195.00 USD
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Starting at $ 1,195.00 USD
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On a turbocharged vehicle, any restriction in the exhaust system reduces peak horsepower. By removing the factory catalytic converter, most of this restriction is removed gaining advantages in more than just peak horsepower. The factory downpipe, while excellent for maintaining strict emission regulations, does nothing to unlock the performance of a turbocharged engine. Due to an internal honeycomb structure that the exhaust gasses must pass through, flow is massively reduced. Additionally, this honeycomb causes turbulence after the converter which slows exhaust flow even further and causes more restriction. If you've ever tried to blow through a coffee straw, you know how your car feels. This not only limits how fast the turbo can spool or come up to speed but also how much air it can move in general. When the internal honeycomb structure is removed in favor of a straight and hollow piece, these issues are alleviated. Not only can the turbocharger come up to max rpm faster, is does this more efficiently and with less work since there is no back-pressure against the turbine wheel. Turbo lag becomes a thing of the past and because of this, the powerband shifts and massive top-end gains can be felt. Constructed out of 100% 304-grade stainless steel and fully mandrel bent, you can be sure that as much time has been put into construction as development. They are 100% TIG welded by in-house fabricators and built in the USA. The factory turbocharger turbine housing utilizes a V-Band flange which Evolution have duplicated and CNC machined cut out of billet 304 stainless steel. Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods and the O2 sensor is positioned at the factory location.
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HJS - Corporate Logo
T#:12118972
Part#: 90812000
Ships in 9 Business Days
$ 2,487.99 USD
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$ 2,487.99 USD
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Milltek Sport - Corporate Logo
T#:593554
Part#: SSXBM1030
Ships on Oct 22, 2026
Sale - Save 10% $ 3,596.99

This product was last offered at the strikethrough price on
09-18-2026

$ 3,236.64 USD
Free Shipping
Sale - Save 10%
$ 3,596.99

This product was last offered at the strikethrough price on
09-18-2026

$ 3,236.64 USD
Free Shipping
With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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Active Autowerke Performance Catted Downpipes - G05/06 X5 X6, G14/15/...
For vehicles with the N63B engine (2020+) - VIN Required for Purchase
Active Autowerke - Corporate Logo
T#:22822601
Part#: 11-041B
Ships on Oct 16, 2026
$ 2,849.99 USD
Free Shipping
$ 2,849.99 USD
Free Shipping
Unleash the Beast: Active Autowerke Signature GESI High-Flow Downpipes The S63 and N63 twin-turbo V8s are world-class engines, but they’ve got a breathing problem. From the factory, your BMW X5M, X6M, 550i, or 650i is suffocating under massive backpressure caused by restrictive, bulky catalytic converters. If you want real power, you have to let those turbos spin. Active Autowerke’s Signature High-Flow Downpipes are the ultimate "no-compromise" upgrade. Hand-fabricated in Miami, these 3.0" downpipes utilize GESi G-Sport Ultra High Output technology. You get the raw performance of a track setup with the refined, odorless experience of a street car—and most importantly, no Check Engine Light. Why These Downpipes Belong on Your BMW: Turbo performance is all about the pressure differential. By clearing the path behind the turbine wheel, you allow the turbos to work significantly less to produce significantly more. Turbo Response: Experience a massive reduction in lag with quicker spool-up and instant throttle tip-in. Massive Power Ceiling: The 4.5" GESi 400-cell cores are rated for 500hp to 850hp, ensuring they won't become a bottleneck as you climb the ladder of modifications. Clean & Odorless: Forget the "gas station" smell of catless downpipes. These proprietary precious-metal catalysts keep the air clean and your cabin comfortable. Hand-Built Precision These aren't mass-produced units. Each set is TIG-welded 304 stainless steel with cast upper V-band flanges for a factory-perfect seal. Because Active Autowerke builds these in-house, the fitment is surgical—no "massaging" or welding required for a secure bolt-on install. Turner Fitment Note: To guarantee 100% accuracy for your build, please provide your VIN at checkout. Note: These are F-chassis specific; G-body vehicles with the N63B engine require a different configuration. Core Features: No CEL Guarantee: Optimized for catalytic efficiency to keep your dashboard clear. 49-State Legal: EPA Registered and fully OBD2 compliant (Excludes CA). Built for Heat: Rated to withstand up to 1,500°F and reaches operational efficiency in just 9 seconds. Legendary Durability: 304 stainless substrate is furnace-braised to the mantle for maximum vibration resistance. Warranty Protected: Includes a 5-year/50,000-mile structural warranty and a 2-year/25,000-mile catalyst core warranty.* Technical Specs: Material: TIG-Welded 304 Stainless Steel Tubing: Full 3.0" (76mm) Mandrel-Bent Piping Catalyst: GESi Ultra High Output (400 CPI) HP Rating: 500hp - 850hp Lead Time: Custom made-to-order (Approx. 2 weeks) *A Note on Burble Tunes: We love a good exhaust crackle as much as anyone, but "aggressive" burble or pop maps physically destroy catalytic substrates. Use of such tunes will void the warranty on the GESi core.
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HJS - Corporate Logo
T#:12118973
Part#: 90812031
Ships in 9 Business Days
$ 6,984.99 USD
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$ 6,984.99 USD
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Active Autowerke GESI Catted Downpipe - B58N
For Model Years 2024+ - Please call in with vin prior to purchase
Active Autowerke - Corporate Logo
T#:51320821
Part#: 11-062N
Ships on Oct 16, 2026
New Item
$ 1,899.00 USD
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$ 1,899.00 USD
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For the owner of a late-model BMW who demands a balance of high-end performance and sophisticated daily drivability, Active Autowerke offers the B58N Gen-3 GESI Catted Downpipe. Built with a focus on long-term reliability and environmental standard compliance, this downpipe features an EPA-registered GESI G-Sport catalytic converter. These 400-cell metallic substrates are furnace-braised to the mantle, offering outstanding resistance to thermal shock and vibration. The industrial-grade 304 stainless steel construction ensures the downpipe will withstand years of heat cycles without degrading. This system is a true "plug-and-play" solution that enhances the B58's deep, throaty exhaust note while keeping emissions levels in check and the dashboard clear of errors. Key Features: 49-State Legal: Features an EPA-registered catalyst that is fully OBD2 compliant (excludes vehicles registered in CA). Superior Durability: Constructed entirely from heavy-duty 304 stainless steel with a brushed finish. Proprietary Catalyst Loading: Precious metal technology ensures the reduction of harmful emissions and eliminates raw fuel odors. OEM+ Fitment: Meticulously test-fitted on a dedicated fixture to guarantee a perfect seal with factory turbo and exhaust connections. Comprehensive Kit: Available with an optional turbo flange gasket to ensure a fresh, leak-free installation. Specifications: Type: Signature Series Valved GESI Catted Downpipe. SKU: 11-062N. Catalyst Rating: Rated for high-output applications while maintaining operational efficiency. Hardware: Includes lower mounting brackets and necessary flex section. Vehicle Fitment (US Models Only): * 2025+ BMW X3 40i / X3-M50i (G45) 2025+ BMW X5 40i (G05 LCI) / X7 40i (G07 LCI) 2025+ BMW 540i (G60) / 740i (G70)
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