BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW F90 M5 S63 4.4L

VRSF 4" Turbo to Downpipe Clamp - BMW

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T#:2839845

Part#: 505040

Back Ordered

$ 18.99 USD

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$ 18.99 USD

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4" Turbo to Downpipe Clamp for 4" Downpipes

Oxygen Sensor Thread Chaser

T#:3729697

Part#: CTA2068

In Stock

$ 11.99 USD

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$ 11.99 USD

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Remove rust and dirt for easy installation with this tool

Genuine BMW Hex Nut Wiht Flange - 07130757758

T#:29104

Part#: 07130757758

In Stock

$ 3.09 USD

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$ 3.09 USD

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Genuine BMW HEX NUT WIHT FLANGE

Eberspaecher Exhaust Bushing Sleeve - 49mm ID

T#:579136

Part#: 21.289.911

In Stock

Sale - Save 22% $ 6.99

This product was last offered at the strikethrough price on
05-03-2026

$ 5.44 USD

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Sale - Save 22%

$ 6.99

This product was last offered at the strikethrough price on
05-03-2026

$ 5.44 USD

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Universal Connector

Elring Turbo To Downpipe Exhaust Gasket - BMW

2X Entries Into Our F80 M3 Sweepstakes

T#:393895

Part#: 18307553601

In Stock

$ 10.99

This product was last offered at the strikethrough price on
06-19-2026

$ 10.35 USD

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$ 10.35 USD

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This exhaust gasket is used to seal the turbo to downpipe connections.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits these BMW engines:
N54,N54T,N55,N63,N63N,S55,S63 and S63N engines

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2.5" Stainless Steel V-band Assembly - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:587343

Part#: 028092ECS04AKT

In Stock

Sale - Save 25% $ 49.99

This product was last offered at the strikethrough price on
06-14-2026

$ 37.49 USD

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Sale - Save 25%

$ 49.99

This product was last offered at the strikethrough price on
06-14-2026

$ 37.49 USD

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2.5" Stainless Steel V-band Assembly - Priced Each

Upgrade your BMW's exhaust system with the 2.5" Stainless Steel V-band Assembly - Priced Each. This high-quality V-band assembly is designed for BMW vehicles, offering several benefits for improved exhaust performance and durability. Engineered with precision and quality in mind, it provides:

Durable stainless steel construction for long-lasting reliability
Secure V-band clamp design ensures a tight seal
Easy installation and removal for maintenance or upgrades
Compatible with 2.5" exhaust systems

Enhance your BMW's exhaust system with this stainless steel V-band assembly.

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Thin Wall Oxygen Sensor Socket

T#:640932

Part#: CTA2064

In Stock

$ 17.85 USD

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$ 17.85 USD

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Out of space? Use this thin wall socket.

Elring Downpipe Exhaust Gasket - BMW F9X S63 4.4L

2X Entries Into Our F80 M3 Sweepstakes

T#:45244569

Part#: 598.480

Special Order: No Guaranteed ETA

$ 13.99 USD

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$ 13.99 USD

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The exhaust downpipe for the F90 M5, F91/92/93 M8, and F95/96 X5/X6 M models has a two-piece design. The upper downpipe with the primary catalytic converter is connected to the longer, lower downpipe section. This connection is sealed by this gasket ring, which should be replaced anytime the downpipe is pulled apart or whenever an exhaust leak is found. Replaces BMW # 18327856835

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Dinan Heavy Duty Exhaust Band Clamp - 2.75" (70mm)

Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

T#:38688901

Part#: D662-9228

In Stock

Sale - Save 13% $ 21.99

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

$ 19.14 USD

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Sale - Save 13%

$ 21.99

This product was last offered at the strikethrough price on
09-29-2026

$ 19.14 USD

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Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 70mm (2.75") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.

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Milltek Sport OPF Bypass Kit (OE Fitment) - F90 M5

For Vehicles With OPF (2020+)

T#:4813297

Part#: SSXBM1179

Ships on Nov 6, 2026

$ 2,088.99 USD

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$ 2,088.99 USD

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Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. Fits OE Downpipes and OE OPF/GPF System

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BMW Exhaust Manifold Gasket

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T#:15412488

Part#: 11657845076

Ships in 1 Business Day

$ 14.89

This product was last offered at the strikethrough price on
08-26-2026

$ 13.63 USD

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$ 13.63 USD

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Each time you remove your exhaust manifold, the gaskets need replaced. If you attempt to reuse them, they can leak and fail, causing noise and exhaust heat to fill your engine compartment. Pick up some new nuts and anti-seize to make the replacement job easier. Quantity of four required for re-installation.

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Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inl...

T#:53149955

Part#: UVM63MMTSTYLEX1

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$ 499.99 USD

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$ 499.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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BMW Xforce Smartbox Varex Muffler ECU Upgrade Module

T#:28570834

Part#: VKSB01-ECU-MODUL

Ships in 1 Business Day

$ 399.00 USD

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$ 399.00 USD

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BMW Xforce Smartbox Varex Muffler ECU Upgrade Module is the ideal choice for BMW owners seeking to enhance their vehicle's performance. This innovative module seamlessly integrates with the Varex muffler system, allowing for precise control over exhaust sound and performance. With its easy installation process and versatile functionality, it provides an elevated driving experience for BMW enthusiasts.

Seamless integration with Varex muffler system
Precise control over exhaust sound and performance
Easy installation process
Versatile functionality for enhanced driving experience

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Supersprint Performance Muffler With Connecting Pipes - F90 M5 ...

T#:582500

Part#: 525204KT

Ships in 3 Business Days

$ 8,417.99 USD

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$ 8,417.99 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! DOES NOT INCLUDE EXHAUST TIPS. TIPS MUST BE PURCHASED SEPARATELY.

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Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inl...

T#:53149963

Part#: UVM76MMTSTYLEX1

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$ 499.99 USD

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$ 499.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:53149962

Part#: UVM.89MM.X2

In Stock

$ 599.99 USD

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$ 599.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dua...

T#:53149957

Part#: UVM76MMDUALOUTX1

Back Ordered

$ 399.99 USD

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$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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AWE Track Edition Axle-Back Exhaust for BMW F90 M5 - Chrome Silver Ti...

2X Entries Into Our F80 M3 Sweepstakes

T#:589647

Part#: 3020-42069

Ships on Nov 6, 2026

$ 1,485.00 USD

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$ 1,485.00 USD

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The AWE Track Edition Exhaust in axleback form provides the most cost-effective aggression in the lineup by retaining the M5’s factory mid-section and replacing the rear sections with Track Edition straight pipes. Please note: These versions are known to get rowdy, and may be too much for many. For that reason, this particular version cannot be returned due to sound preference. Prepare yourself. Features: Designed, engineered, and manufactured in-house at AWE Available as valved SwitchPath or more unleashed Track Edition Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:53149961

Part#: UVM.89MM.X1

Back Ordered

$ 399.99 USD

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$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Supersprint Turbo Downpipes With 200-Cell Metallic Sport Cats - F90 M...

T#:582488

Part#: 525241KT

Ships on Jan 21, 2027

$ 7,727.99 USD

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$ 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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Milltek Performance Axle Back Exhaust System - BMW F90 M5 S63 ...

T#:26538341

Part#: SSXBM117

Ships on Nov 6, 2026

Starting at $ 3,679.99 USD

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Starting at $ 3,679.99 USD

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Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this axle-back exhaust system from Milltek. This axle-back exhaust system features 80mm (3.15") T304 stainless steel construction, with quad 100mm (4") exhaust tips available in multiple finishes. 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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Valvetronic Designs Electronic Exhaust Valve Control Kit - 2 Valve Ac...

Please visually confirm the exhaust valve actuator installed on your vehicle prior to p...

T#:22328085

Part#: VTD.EVH.2

Ships in 1 Business Day

$ 399.99 USD

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$ 399.99 USD

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This system allows you to control your BMW's OEM or aftermarket exhaust valves with the touch of a button. This kit enables the control of two electronic exhaust valves.

Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dua...

T#:53149953

Part#: UVM63MMDUALOUTX1

Ships in 1 Business Day

$ 399.99 USD

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$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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AWE SwitchPath Axle-Back Exhaust - Diamond Black Tips - F90 M5 ...

2X Entries Into Our F80 M3 Sweepstakes

T#:589662

Part#: 3025-43065

Ships on Nov 6, 2026

$ 2,665.00 USD

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$ 2,665.00 USD

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In axle-back form, the SwitchPath retains the M5’s factory mid-section, coming in right at the rear axle. The AWE Switchpath Axleback Exhaust maintains a 3” diameter, shaves weight from the rear, and retains the factory valve behavior. Features: Designed, engineered, and manufactured in-house at AWE Valved SwitchPath Edition SwitchPath and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)

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AWE SwitchPath Axle-Back Exhaust - Chrome Silver Tips F90 M5 ...

2X Entries Into Our F80 M3 Sweepstakes

T#:589661

Part#: 3025-42061

Ships on Nov 6, 2026

$ 2,665.00 USD

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$ 2,665.00 USD

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In axle-back form, the SwitchPath retains the M5’s factory mid-section, coming in right at the rear axle. The AWE Switchpath Axleback Exhaust maintains a 3” diameter, shaves weight from the rear, and retains the factory valve behavior. Features: Designed, engineered, and manufactured in-house at AWE Valved SwitchPath Edition SwitchPath and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)

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AWE Track Edition Axleback Exhaust - F90 M5

2X Entries Into Our F80 M3 Sweepstakes

T#:589649

Part#: GRP-EXH-BWF90M51

Ships on Nov 6, 2026

Starting at $ 1,485.00 USD

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Starting at $ 1,485.00 USD

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AWE has one vision: To unlock performance. AWE has a unique facility where every step, from design to production, is completed within their facilities. This results in state-of-the-art exhausts with unparalleled quality control and top tier performance. The Track Edition Exhaust for your F90 M5 is the most aggressive exhaust offered from AWE. This axle-back delivers a raw sound from your S63 motor, that is sure to turn heads. Choose to upgrade to a cat-back at a later date with the AWE midpipe, or see the alternate listings for a cat-back configuration. Choose from Chrome Silver and Diamond Black finishes. Other Features Include: Designed, engineered, and manufactured in-house at AWE Available as valved SwitchPath™ or more unleashed Track Edition SwitchPath™ and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Peak gains of 4 hp and 4 ft-lbs of torque at the wheels (SwitchPath™ Catback Exhaust) 20 lb weight savings over stock with the Track Edition Cat-back Exhaust, and 10 lb weight savings with the SwitchPath™ Cat-back Exhaust Performance Mid Pipes and catbacks feature a precision-engineered x-pipe Catbacks are pure bolt-on for factory-like simplicity Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes) 50 State Compliant

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AWE Track Edition Cat-Back Exhaust - Chrome Silver Tips - F90 M5 ...

2X Entries Into Our F80 M3 Sweepstakes

T#:589650

Part#: 3020-42070

Ships on Nov 6, 2026

$ 1,945.00 USD

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$ 1,945.00 USD

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If raw and rowdy are your speed, the Track Edition Catback is your dose of steel. The Track Edition Exhaust retains all the engineering and precision of the SwitchPath Exhaust, including the X-pipe and 3” diameter tubing, minus the valves in the rear sections. The result? Constant rumble. Features: Designed, engineered, and manufactured in-house at AWE Available as more unleashed Track Edition Full Cat-back 21 lb weight savings over stock with the Track Edition Catback Exhaust Performance Mid Pipes and catbacks feature a precision-engineered x-pipe Catbacks are pure bolt-on for factory-like simplicity Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)

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Supersprint Performance Resonated Mid Pipes - F90 M5

T#:582466

Part#: 525202

Ships on Jan 21, 2027

$ 2,714.99 USD

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$ 2,714.99 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!

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AWE SwitchPath Axleback Exhaust - F90 M5

2X Entries Into Our F80 M3 Sweepstakes

T#:589655

Part#: GRP-EXH-BWF90M53

Ships on Nov 6, 2026

Starting at $ 2,665.00 USD

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Starting at $ 2,665.00 USD

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The SwitchPath Exhaust for your F90 M5 is a versatile system that responds to the exhaust valve commands sent from your BMW ECU. This allows you to manipulate the level of sound output using the different BMW driving modes. Select the comfort mode for those early mornings in the neighborhood, and sport mode when you're ready to unleash all of the power and sound. This exhaust delivers a fine-tuned sound from your S63 motor, that is sure to turn heads. Choose from Chrome Silver and Diamond Black tip finishes. Also choose to upgrade to a cat-back at a later date with the AWE midpipe, or see the alternate listings for a cat-back configuration. A Valved exhaust from the rear axle, back.

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Supersprint Performance Straight Mid Pipes - F90 M5

T#:582465

Part#: 525212

Ships on Jan 21, 2027

$ 2,374.99 USD

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$ 2,374.99 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!

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Eisenmann Black Series Upper Downpipe Set With Ceramic Black Coating ...

T#:584684

Part#: B5555.2DP1.BKT

Back Ordered

$ 2,894.99 USD

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$ 2,894.99 USD

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Improved power and throttle response

Valvetronic Designs Universal Y Pipe Adapter - 3.0" (76mm)

T#:53149939

Part#: VTD.YPIPE.76MM

Ships in 1 Business Day

$ 40.99 USD

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$ 40.99 USD

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Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler!

AWE Track Edition Axle-Back Exhaust - Diamond Black Tips - F90 M5 ...

2X Entries Into Our F80 M3 Sweepstakes

T#:589648

Part#: 3020-43077

Ships on Nov 6, 2026

$ 1,485.00 USD

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$ 1,485.00 USD

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The AWE Track Edition Exhaust in axleback form provides the most cost-effective aggression in the lineup by retaining the M5’s factory mid-section and replacing the rear sections with Track Edition straight pipes. Please note: These versions are known to get rowdy, and may be too much for many. For that reason, this particular version cannot be returned due to sound preference. Prepare yourself. Features: Designed, engineered, and manufactured in-house at AWE Available as valved SwitchPath™ or more unleashed Track Edition SwitchPath™ and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Peak gains of 4 hp and 4 ft-lbs of torque at the wheels (SwitchPath™ Catback Exhaust) 20 lb weight savings over stock with the Track Edition Cat-back Exhaust, and 10 lb weight savings with the SwitchPath™ Cat-back Exhaust Performance Mid Pipes and catbacks feature a precision-engineered x-pipe Catbacks are pure bolt-on for factory-like simplicity Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)

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Active Autowerke High Flow Catted Downpipes - S63

T#:2393421

Part#: 11-063

Ships in 10 Business Days

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

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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

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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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Oxygen Sensor Socket - 22mm

T#:6181663

Part#: 4680-1

Ships in 1 Business Day

$ 118.99

This product was last offered at the strikethrough price on
05-07-2026

$ 115.99 USD

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$ 115.99 USD

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Properly remove stubborn o2 sensors.

BMW F90 M5 Black Series Lower Downpipe Set With Ceramic Black Coating...

T#:584686

Part#: B5555.2DP2.BKT

Back Ordered

$ 2,994.99 USD

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$ 2,994.99 USD

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Improved power and throttle response

Hex Bolt

M8X25

T#:602316

Part#: 18309909376

Ships in 1-2 days

$ 3.99 USD

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$ 3.99 USD

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HEAT SHIELD, LOWER

T#:56869536

Part#: 11655B4A544

Ships in 1-2 days

6% off MSRP $ 160.99

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

$ 151.99 USD

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6% off MSRP

$ 160.99

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

$ 151.99 USD

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Crankshaft Main Bearing Cap Bolt

T#:30789

Part#: 11117557325

Ships in 1-2 days

$ 9.99 USD

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$ 9.99 USD

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Genuine BMW Collar Screw - M8X70
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5 X5,E71 X6,F01,F02,F06,F10,F12,F13,F15,F16

Fits BMW Engines including:
N63,N63N,S63,S63N

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:21308444

Part#: UVM.63MM.X1

Ships in 5 Business Days

$ 399.99 USD

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$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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2.25" (57mm) Exhaust Clamp - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:28570866

Part#: NBC225

Ships in 5 Business Days

Sale - Save 3% $ 24.99

This product was last offered at the strikethrough price on
06-14-2026

$ 24.24 USD

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Sale - Save 3%

$ 24.99

This product was last offered at the strikethrough price on
06-14-2026

$ 24.24 USD

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For secure exhaust connections, choose the 2.25" (57mm) Exhaust Clamp.

Engineered for durability and reliability, this clamp ensures a tight seal for your exhaust system components. Its high-quality construction and corrosion-resistant finish provide long-lasting performance, even in harsh conditions. With easy installation and a precise fit, this exhaust clamp is a must-have for any vehicle owner.

Ensures a tight seal for exhaust system components
High-quality construction for durability
Corrosion-resistant finish for long-lasting performance
Easy installation for convenience
Precise fit for secure connections

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ATP Universal Weld-in O2 Sensor Bung

T#:367246

Part#: ATP-FLS-022

Ships in 6 Business Days

$ 12.95 USD

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$ 12.95 USD

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Adding an Air Fuel Ratio gauge? Or need to add an O2 sensor? ATP has you covered with their universal weld-in O2 sensor bung.

Dinan Heavy Duty Exhaust Band Clamp - 3.00" (76mm)

Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

T#:38688902

Part#: D662-9237

Ships on Nov 10, 2026

Sale - Save 13% $ 21.99

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

$ 19.14 USD

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Sale - Save 13%

$ 21.99

This product was last offered at the strikethrough price on
09-29-2026

$ 19.14 USD

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Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 76mm (3") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.

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Downpipe To Catback Reducer - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:587346

Part#: 006555ECS05A

In Stock

Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
06-13-2026

$ 29.99 USD

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Sale - Save 25%

$ 39.99

This product was last offered at the strikethrough price on
06-13-2026

$ 29.99 USD

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OEM Febi Rubber Exhaust Mount - BMW F22/23 F3X F87 G30 F90 G14/15/16 ...

We Price Match - Give Us A Call or Chat!

T#:38553868

Part#: 18208620181

Special Order: No Guaranteed ETA

$ 16.99 USD

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$ 16.99 USD

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If your exhaust is sagging or rattling, there is a good chance your exhaust mounts have worn out. Replace your mount to keep your exhaust supported and rattle free.

Exhaust Sleeve Clamp - 60mm

10X Entries Into Our F80 M3 Sweepstakes

T#:58563043

Part#: D0001-CL1-60

In Stock

$ 11.99 USD

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$ 11.99 USD

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When you are pushing high RPMs, the last thing you need is an exhaust joint backing off or leaking under thermal stress. The ECS Tuning 60mm Stainless Steel Exhaust Clamp delivers high-torque clamping force engineered to withstand intense heat, heavy chassis vibration, and aggressive exhaust pulses. Whether you are prepping a track-day weapon or strengthening your daily driver's exhaust line, this heavy-duty sleeve clamp locks your 60mm piping together improving the look and function of the underside of your vehicle

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Exhaust Sleeve Clamp - 64mm

10X Entries Into Our F80 M3 Sweepstakes

T#:58563044

Part#: D0001-CL1-64

In Stock

$ 12.99 USD

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Qty

$ 12.99 USD

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When you are pushing high RPMs, the last thing you need is an exhaust joint backing off or leaking under thermal stress. The ECS Tuning 64mm Stainless Steel Exhaust Clamp delivers high-torque clamping force engineered to withstand intense heat, heavy chassis vibration, and aggressive exhaust pulses. Whether you are prepping a track-day weapon or strengthening your daily driver's exhaust line, this heavy-duty sleeve clamp locks your 64mm piping together improving the look and function of the underside of your vehicle

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Exhaust Sleeve Clamp - 76mm

10X Entries Into Our F80 M3 Sweepstakes

T#:58563045

Part#: D0001-CL1-76

In Stock

$ 14.99 USD

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$ 14.99 USD

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When you are pushing high RPMs, the last thing you need is an exhaust joint backing off or leaking under thermal stress. The ECS Tuning 76mm Stainless Steel Exhaust Clamp delivers high-torque clamping force engineered to withstand intense heat, heavy chassis vibration, and aggressive exhaust pulses. Whether you are prepping a track-day weapon or strengthening your daily driver's exhaust line, this heavy-duty sleeve clamp locks your 76mm piping together improving the look and function of the underside of your vehicle

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:53149960

Part#: UVM.76MM.X2

Back Ordered

$ 599.99 USD

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$ 599.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Offset Oxygen Sensor Wrench- Extended

T#:640929

Part#: CTA2065

Back Ordered

$ 19.99 USD

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$ 19.99 USD

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Extra length is needed sometimes

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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW F90 M5 S63 4.4L

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2.5" Stainless Steel V-band Assembly - Priced Each

For secure exhaust connections, choose the 2.25" (57mm) Exhaust Clamp.

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