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BMW Exhaust Parts, Mufflers & Catalytic Converters

Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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CTS - Corporate Logo
T#:14254799
Part#: EXH-DP-0025-CAT
In Stock
$ 599.99 USD
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$ 599.99 USD
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CTS Turbo is proud to announce the release of our High-Flow CATS for BMW F80/F82 M3/M4/M2 Competition Our stainless steel high-flow CAT downpipes allow for faster spool, better transient boost response, higher boost, and great sound. Our downpipes are the first part of our modular exhaust system and are compatible with factory mid-pipes and our upcoming CTS Turbo mid-pipes. You should expect strong torque gains when paired with appropriate tuning software. We used CAD simulation to streamline the flow of exhaust gasses and ensure seamless integration with the factory and CTS exhaust components. Many hours of R&D were spent to ensure a perfect fit, smooth exhaust flow, and excellent sound. Use of Bootmod3 software compatible and is strongly recommended. CEL will illuminate if correct software tuning is not used. Features: Large 3″ Durable 304 food-grade stainless steel Laser-cut flanges Factory-like placement of O2 sensors Designed using the latest 3D scanning technology Exhaust flow simulated with CAD software to ensure optimal flow routing Perfect fit with factory or aftermarket mid-pipes Aggressive sound – really makes that S55 scream Fitment: 2015+ BMW S55 M3 (North America) 2015+ BMW S55 M4 (North America) 2018+ BMW S55 M2C (North America) Stage 2 software is required to avoid check engine light.
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CTS - Corporate Logo
T#:27472196
Part#: CTS-EXHDP0023CAT
Ships in 7 Business Days
Sale - Save 5% $ 379.99

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

$ 359.99 USD
Free Shipping
Sale - Save 5%
$ 379.99

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

$ 359.99 USD
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Unleash the full potential of your BMW N55 (Electric Wastegate) with the CTS Turbo High-flow Cat, meticulously designed to optimize exhaust flow and deliver unmatched power gains. Bid farewell to factory constraints and welcome superior performance and enhanced sound!

Utilizing advanced CAD technology, this component seamlessly replaces your factory downpipe, ensuring a precise fit. Crafted from robust T304 stainless steel and expertly hand TIG welded with back purging, it ensures long-lasting and dependable performance.

Highlighted Features:

Precision-designed and rigorously tested for peak performance T304 stainless steel construction with TIG welded back-purged joints Direct replacement for the restrictive factory downpipe Substantial power increase without sacrificing performance Creates an exhilarating sporty exhaust sound while maintaining a refined tone during normal driving Eliminates drone typically found with factory exhaust setups Elevate your BMW N55's performance and sound with the CTS Turbo High-flow Cat, engineered for exceptional quality and outstanding performance on the road.

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Rogue Engineering - Corporate Logo
T#:553961
Part#: DMS-E46
Back Ordered
$ 689.99 USD
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$ 689.99 USD
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Rogue Engineering is proud to introduce their DMS (Dual Muffler System) exhaust systems for the E46 (non-M) in its latest offering to the performance exhaust marketplace.

What makes the DMS unique?
Like all Rogue Engineering products, the DMS exhaust system is entirely designed and developed in the US in our facility in Hohokus, NJ.  By doing the development, fitting, evaluation, and testing here, you're assured a product that not only looks and sounds great but a product you can have installed with confidence.

How much performance should I expect to gain?
In testing, replacing only a muffler or even the complete exhaust system on an E46 yields small measurable gains.  Of course, these minute gains may be depicted on a carefully constructed dyno chart.  Rogue Engineering looks at an exhaust with reality in mind, designing our exhaust to deliver great looks and sound, with minimal issues of fit.  Of course, all of this at an affordable price would be a bonus.  These are features that the Rogue Engineering DMS deliver!

For real-world exhaust performance gains, this typically means replacing the largest restriction, the catalytic converters, located in the factory exhaust manifolds.  From there, free flow aftermarket catalytic converters could be added downstream, after the exhaust gas velocity had an opportunity to accelerate out of the engine, allowing for the most LEGAL gas velocity allowable.  This course of action, however, typically can exceed more than $3000 plus installation.

Replacing the ENTIRE factory exhaust system (resonators and rear muffler) with larger tubing WITHOUT addressing the largest restriction is an exercise in futility.  This kind of exhaust "upgrade" will generally cost needless additional installation charges, fit issues (can 6 clamps on an exhaust REALLY fit like factory?), and ultimately, drain your wallet faster than a Bugatti Veyron. 

DMS Features
Just because the DMS exhaust system is easy on the wallet does not mean you are getting short-changed.  Features of the RE IKON E46 system include:

  • Full T-304 Stainless Steel construction
  • Mandrel bent, dual 57mm tubing (stock is dual 50mm) eliminates center resonator, allowing for increased air flow yielding positive performance gains.
  • Mill-finished pipes and muffler, mirror polished dual 3" staggered RACE tips fits most aftermarket bumpers (Hamann, MTech, AC Schnitzer)
  • Entire exhaust utilizes TIG welded construction
  • Maintains BMW factory warranty
  • Rogue Engineering logo tastefully welded onto the top of the muffler
  • Can be clamped or welded (because factory exhaust must be cut, professional installation recommended)
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Rogue Engineering - Corporate Logo
T#:25971886
Part#: MZ4-EX
Back Ordered
$ 1,195.00 USD
$ 1,195.00 USD

Rogue Engineering Z4 M Diablo Exhaust

Rogue Engineering is proud to introduce their Z4 M Diablo exhaust. A cursory glance at the exhaust easily shows how this exhaust excels in both performance while saving weight. However, a closer look will show the pure artistry of its construction and elements of unique design.

Like the successful E46 M3 Diablo exhaust, the Z4 M Diablo exhaust is designed to compliment the high-revving engine concept which BMW has implemented into the M brand vehicles as of late. This means that the exhaust note will not only sound good at low RPMs, but also at the high RPM limit of the engine. Additionally, the Z4 M Diablo will improve performance at high RPMs with its straight-through muffler design.

Features:

  • Significant weight savings of 15 lbs. compared to the factory muffler
  • High-quality T-304 stainless steel construction for durability
  • Straight-through muffler design improves performance at high RPMs
  • Deep, throaty exhaust note complements the high-revving engine concept
  • Easy installation with factory-like hangers, no cutting or welding required

Installation of the Z4 M Diablo requires no cutting or welding as it requires the removal of the factory rear mufflers. Installation time is approximately 45 minutes. No new gaskets or hardware is required.

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CTS - Corporate Logo
T#:4333555
Part#: EXHDP0034CAT
Ships in 7 Business Days
Sale - Save 10% $ 799.00

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

$ 719.99 USD
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Sale - Save 10%
$ 799.00

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

$ 719.99 USD
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CTS Turbo High-Flow CATS are made to maximize exhaust flow for the highest power gains. Designed using the latest in CAD technology; this part is made to fit perfectly in place of the restrictive factory catalytic converter. Manufactured from CAST T304 stainless steel; hand TIG welded and back-purged to ensure years of reliable performance. In addition to unleashing the power and performance of your 4.4 Twin Turbo, CTS' High-Flow CATS will make your vehicle sound like it really should. When installed with factory exhaust, it produces a louder and deeper growl with a much more pronounced exhaust “crackle” on downshift. While up-shifting you will enjoy a confident “punch!” as you bang through all 8 gears. The sound will be even louder if you already have an aftermarket exhaust system. Product Details: Designed and tested on a real car in the real world 200 cell catalytic converter Cast T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust Fitment: 2012-2016 F10 BMW M5 2012-2016 F10 BMW M5 Competition 2012-2016 F06/12/13 M6 2012-2016 F06/12/13 M6 Competition To remove the CEL that will occur, proper stage 2 tuning software must be used.
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Rogue Engineering - Corporate Logo
T#:26705004
Part#: IKON-E90
Ships on Jan 15, 2027
$ 550.00 USD
$ 550.00 USD
Like all Rogue Engineering products, the IKON exhaust system is entirely designed and developed in the US in our facility in Hohokus, NJ. By doing the development, fitting, evaluation and testing here, you're assure a product that not only looks and sounds great, but a product you can have installed with confidence. Features: 100% T-304 stainless steel construction, including flanges, internals Mill-finished pipes and muffler, mirror polished dual 3" straight cut, adjustable, staggered tips (allows for fitment of sedan or coupe) New! Entire exhaust utilizes TIG welded construction Deep tone (stock resonators are retained) with no drone Maintains BMW factory warranty Rogue Engineering logo tastefully stamped in the body of the muffler Can be clamped or welded (professional installation recommended)
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Rogue Engineering - Corporate Logo
T#:399613
Part#: RE.MZ4.XPIPE
Ships in 8 Business Days
$ 675.00 USD
$ 675.00 USD
The Rogue Engineering E85 MZ4 X-pipe replaces the stock BMW resonator between the catalytic converter and the rear mufflers. The RE E85 MZ4 X-pipe is made to fit in the place of the factory resonator. Other features include: Fits all MZ4 Coupe/Convertible from 2006-08 Weighs only 11.35 lbs. for the entire assembly. The factory part is over 15 lbs. 100% T-304 stainless steel construction and internals, a majority of the exhaust made from 16 gauge stainless steel. Fully mandrel bent tubing, no crimps or flattened areas Mil-finished. Full TIG welded construction, no lock seams or pinch welds. Factory-like hangers for OEM fit. Fits with factory or aftermarket mufflers (that use flanges). Optimized tubing sizes and minimized bends maintain exhaust velocity without compromising necessary backpressure Deep, throaty tone, without the drone. Will not change ground clearance Will not void factory warranty Will not affect emissions
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CTS - Corporate Logo
T#:4333554
Part#: EXHDP0043CAT
Ships in 7 Business Days
Sale - Save 10% $ 749.99

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

$ 674.99 USD
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Sale - Save 10%
$ 749.99

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

$ 674.99 USD
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CTS Turbo High Flow-CATS are made to maximize exhaust flow for the highest power gains. Designed using the latest in CAD technology; this part is made to fit perfectly in place of the restrictive factory catalytic converter. Manufactured from CAST T304 stainless steel; hand TIG welded and back-purged to ensure years of reliable performance. In addition to unleashing the power and performance of your 3.0 Twin Turbo, CTS' High Flow-CATS will make your vehicle sound like it really should. When installed with factory exhaust, it produces a louder and deeper growl with a much more pronounced exhaust “crackle” on downshift. While up-shifting you will enjoy a confident “punch!” as you bang through all 8 gears. The sound will be even louder if you already have an aftermarket exhaust system. Product Details: Designed and tested on a real car in the real world Cast T304 stainless steel, TIG welded back-purged construction 200 Cell High Flow-CATS Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust Fitment: 2019-2022 G01 BMW X3M 2019-2022 G01 BMW X3M Competition 2019-2022 G02 BMW X4M 2019-2022 G02 BMW X4M Competition To remove the CEL that will occur, proper stage 2 tuning software must be used.
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CTS - Corporate Logo
T#:23053155
Part#: CTS-EXH-DP-0022-
Ships in 7 Business Days
Sale - Save 10% $ 399.99

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

$ 359.00 USD
Free Shipping
Sale - Save 10%
$ 399.99

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

$ 359.00 USD
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Enhance your BMW's performance with the CTS Turbo high-flow catalytic converter designed specifically for the BMW N55 (Pneumatic Wastegate) engine. This aftermarket part aims to optimize exhaust flow, delivering significant power gains without compromising performance or sound quality.

  • Precision-designed and real-world tested for optimal performance
  • Constructed from durable T304 stainless steel with hand TIG welding and back purging for reliability
  • Replaces the factory downpipe, reducing restrictions and unlocking greater power
  • Offers a sporty exhaust note, delivering a subdued sound during cruising without excessive drone
  • Requires proper tuning software like Bootmod3 for CEL removal; recommended for OFF-ROAD use only
  • Note: Catalytic converters damaged by "crackle tune" are not covered under warranty.
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CTS - Corporate Logo
T#:38587657
Part#: CTS-EXH-TP-0020-
Ships in 7 Business Days
$ 179.99 USD
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$ 179.99 USD
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Stock exhaust sound improvement
CTS - Corporate Logo
T#:27871827
Part#: CTSEXHDP0054CAT
In Stock
Sale - Save 10% $ 429.99

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

$ 386.99 USD
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Sale - Save 10%
$ 429.99

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

$ 386.99 USD
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The CTS Turbo High-Flow Cat for the BMW BN26 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!

Precisely designed and tested on a real car in the real world T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory downpipe with high-flow 200-cell catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.

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Rogue Engineering - Corporate Logo
T#:22163386
Part#: RE.MID.EVC
Special Order: No Guaranteed ETA
$ 325.00 USD
Free Shipping on orders $49 and up
The Rogue Engineering EVC kit is designed specifically to fit our E46 M3 X-Pipe. Operation from fully open to close (or close to open) is less than 3 seconds. It can be opened or closed partially as well. The momentary switch can be mounted anywhere in the cabin. The kit includes: Made in the USA, DMH electric valve Custom wiring harness, specifically designed by Rogue Engineering to fit the E46 M3 X-Pipe Stainless steel turn-down Gaskets and hardware Wiring the valve requires power and ground. It is recommended that the power wire be sourced from switched-ignition power, so not to inadvertently cause battery drain. If you are not comfortable with automotive wiring, it is recommended that you seek professional help for installation.
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CTS - Corporate Logo
T#:589512
Part#: CTSEXHDP0024SCAT
Ships in 7 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.
CTS - Corporate Logo
T#:18899144
Part#: CTSEXHDP0053CAT
Ships in 7 Business Days
$ 899.99 USD
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$ 899.99 USD
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CTS stainless steel downpipes allow for faster spool, better transient boost response, higher boost, and great sound. High-Flow CATS are compatible with factory mid-pipes. You should expect strong torque gains when paired with appropriate tuning software. CAD simulation is used to streamline the flow of exhaust gasses and ensure seamless integration with the factory and CTS exhaust components. Many hours of R&D were spent to ensure a perfect fit, smooth exhaust flow, and excellent sound. Features: Durable 304 food-grade stainless steel Laser-cut flanges Factory-like placement of O2 sensors Designed using the latest 3D scanning technology LHD/RHD fitment Exhaust flow simulated with CAD software to ensure optimal flow routing Perfect fit with factory or aftermarket mid-pipes Aggressive sound – really makes that S58 scream Software tune is required to avoid CEL! Make sure your software is compatible with high flow catted downpipes!
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CTS - Corporate Logo
T#:4333556
Part#: EXHDP0042CAT
Ships in 7 Business Days
Sale - Save 10% $ 1,199.99

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

$ 1,079.99 USD
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Sale - Save 10%
$ 1,199.99

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

$ 1,079.99 USD
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CTS Turbo High-Flow Cats are made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts. Designed using the latest in CAD technology; this part is made to fit perfectly in place of the restrictive factory catalytic converter. Manufactured from CAST T304 stainless steel; hand TIG welded and back-purged to ensure years of reliable performance. In addition to unleashing the power and performance of your 4.4 Twin Turbo, CTS' High-Flow Cats will make your vehicle sound like it really should. When installed with factory exhaust it produces a louder and deeper growl with a much more pronounced exhaust “crackle” on downshift. While up-shifting you will enjoy a confident “punch!” as you bang through all 8 gears. The sound will be even louder if you already have an aftermarket exhaust system. Product Details: Includes 200 cell sport catalytic converter Designed and tested on a real car in the real world Cast T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust Fitment: 2018-2021 F90 BMW M5 2018-2021 F90 BMW M5 Competition 2020-2021 F91/92/93 M8 To remove the CEL that will occur, proper stage 2 tuning software must be used.
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CTS - Corporate Logo
T#:589514
Part#: CTSEXHDP0024CAT
In Stock
$ 459.99 USD
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$ 459.99 USD
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Maximizes exhaust flow for uncompromising performance.

Rogue Engineering - Corporate Logo
T#:26705010
Part#: DMS-E36-US
Ships in 8 Business Days
$ 724.99 USD
$ 724.99 USD
CTS - Corporate Logo
T#:51075069
Part#: EXH-TP-0026
Ships in 7 Business Days
$ 299.99 USD
Free Shipping
$ 299.99 USD
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This refined resonator delete kit for the F97 X3M and F98 X4M transforms the factory exhaust into a more aggressive, powerful note that perfectly suits the S58 engine. By replacing the restrictive, hydro-formed stock section with 70mm T304 stainless steel tubing, this upgrade significantly improves exhaust flow and provides a fuller, more assertive sound profile.
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Rogue Engineering - Corporate Logo
T#:22163397
Part#: REE39M5XD
Back Ordered
$ 1,295.00 USD
$ 1,295.00 USD
Few sounds can summon goosebumps quite like the S62 V8 found in the E39 M5 with a well designed exhaust system. Rogue Engineering is proud to introduce the E39 M5 Diablo Exhaust. The heavy factory resonator (21 lbs. by itself) primary job is to muffle sound and eliminate exhaust "drone". It does such a great job, much of the exhaust sound is killed by this resonator by itself. The factory mufflers do a fantastic job of completely muffling sound in the E39 M5. So well that the only way you can really hear the vehicle is to completely roll down all the windows to really hear the V8 exhaust sound. Between the factory resonator and the two rear mufflers, these components weigh a staggering 98 lbs. All Rogue Engineering Diablo exhausts are produced using only 100% full T-304 stainless steel because of its consistent strength characteristics, corrosion resistance, and wide range of materials (important for controlling sound and exhaust flow). Features: New, lighter muffler body reduces weight to only 19.4 lbs. per side. 100% T-304 stainless steel construction and internals, a majority of the exhaust made from 16 gauge stainless steel. Exclusive, oversize 3" OD inlet tubing (stock and most other aftermarket companies have 2.5" OD) for maximum exhaust flow. Fully mandrel bent tubing, no crimps or flattened areas. Mil-finished pipes and muffler, mirror polished, Rogue Engineering Club Sport double walled, stainless steel quad 80mm, staggered tips. Completely fills in factory valence without modifications. Full TIG welded construction, no lock seams or pinch welds. Factory-like hangers for OEM fit Rogue Engineering logo tastefully stamped in the body of the muffler Flow-through design does not create muffler "hot spots" found on chambered mufflers Optimized tubing sizes and minimized bends maintain exhaust velocity without compromising necessary backpressure Deep, throaty tone, without the drone.
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Rogue Engineering - Corporate Logo
T#:36981051
Part#: RE.309.NOKT
Back Ordered
$ 169.00 USD
Free Shipping on orders $49 and up
Note these are sold EACH. For an E46, you need to purchase two to replace both of them on the car. For E9X M3 and E88 128i/135i, they only use one bracket. Each order includes a pair of replacement exhaust hangers at NO CHARGE!
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Rogue Engineering - Corporate Logo
T#:553965
Part#: IKON-E46
Ships in 8 Business Days
$ 495.00 USD
Free Shipping
$ 495.00 USD
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What makes the IKON unique?
Like all Rogue Engineering products, the IKON exhaust system is entirely designed and developed in the US in our facility in Hohokus, NJ.  By doing the development, fitting, evaluation, and testing here, you're assured a product that not only looks and sounds great but a product you can have installed with confidence.

The budget-minded enthusiast will quickly notice that the first IKON offering, for the BMW E46 325/330 is price much lower than our DMS exhaust.  With a price of only $550, this is undoubtedly the most affordable BMW specific exhaust offered to date.  Isn't it time an affordable exhaust solution be available for the E46?  

By utilizing a custom-made, single muffler (instead of producing two, individual mufflers in our DMS system), Rogue was able to save manufacturing costs with this simpler design, and pass this savings to the performance customer.  Many enthusiasts do not pay particular attention to the shape or size of the muffler, as long as it fits well and sounds good.  The RE IKON fits this bill perfectly.

How much performance should I expect to gain?
In testing, replacing only a muffler or even the complete exhaust system on an E46 yields small measurable gains.  Of course, these minute gains may be depicted on a carefully constructed dyno chart.  Rogue Engineering looks at an exhaust with reality in mind, designing the exhaust to deliver great looks and sound, with minimal issues of fit.  Of course, all of this at an affordable price would be a bonus.  These are features that the Rogue Engineering IKON deliver!

For real-world exhaust performance gains, this typically means replacing the largest restriction, the catalytic converters, located in the factory exhaust manifolds.  From there, free flow aftermarket catalytic converters could be added downstream, after the exhaust gas velocity had an opportunity to accelerate out of the engine, allowing for the most LEGAL gas velocity allowable.  This course of action, however, can typically can exceed more than $3000 plus installation.

Replacing the ENTIRE factory exhaust system (resonators and rear muffler) with larger tubing WITHOUT addressing the largest restriction is an exercise in futility.  This kind of exhaust "upgrade" will generally cost needless additional installation charges, fit issues (can 6 clamps on an exhaust REALLY fit like factory?), and ultimately, drain your wallet faster than a Bugatti Veyron. 

IKON Features
Just because the IKON exhaust system is easy on the wallet does not mean you are getting short-changed.  Features of the RE IKON E46 system include:

  • Only 21 pounds (replaces the 30-pound unit from the factory)
  • Full 304 Stainless Steel construction
  • Mandrel bent, dual 57mm tubing (stock is dual 50mm), allowing for increased air flow yielding positive performance gains.
  • Mill-finished pipes and muffler, mirror polished dual 3" angle cut, double-walled, staggered tips.
  • Entire exhaust utilizes TIG welded construction
  • Deep tone (stock center resonator is retained)
  • Maintains BMW factory warranty
  • Rogue Engineering logo tastefully stamped in the body of the muffler
  • Adjustable mounting positions allow variable positioning with aftermarket bodywork
  • Can be clamped or welded (because factory exhaust must be cut, professional installation recommended)
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Rogue Engineering - Corporate Logo
T#:3428564
Part#: RE_DIABLO
Back Ordered
$ 1,394.99 USD
$ 1,394.99 USD
Rogue Engineering is proud to introduce our E46 M3 El Diablo exhaust. A cursory glance at the exhaust easily shows how this exhaust excels in both performance while saving weight. However, a closer look will show the pure artistry of its construction and elements of unique design. Over a Decade of Legendary Performance It's not like Rogue Engineering to rest on its laurels when it comes to development of any performance product. In fact, we are typically the first to market of product in many instances. However, when it came to the E46 M3 exhaust, we were definitely NOT the first ones on the block. By last count, there were already over 20 different companies offering exhausts for the E46 M3. Some companies even offer multiple selections (as if they couldn't make up their mind which was best!). After listening and installing countless aftermarket exhausts in our own facility, we felt we had heard and seen enough of the good, bad and very cheezy. We recognized that most E46 M3 owners had very specific requirements to meet that they found in other exhausts out there. What you see here is the culmination is the best features of many of the exhaust systems found today, at an affordable price with the performance you come to expect from a Rogue Engineering product. El Diablo Features The RE El Diablo is made to fit exactly like factory. Improved, updated specs! Weighs only 30 lbs., 26 lbs. lighter than the factory muffler! (factory is 56 lbs.) 100% T-304 stainless steel construction and internals Fully mandrel bent tubing, no crimps or flattened areas Mil-finished pipes and muffler, mirror polished stainless steel quad 80mm Club Sport tips! Full TIG welded construction, no lock seams or pinch welds. Rogue Engineering logo tastefully stamped in the body of the muffler Flow-through design does not create muffler "hot spots" found on chambered mufflers Optimized tubing sizes and minimized bends maintain exhaust velocity without compromising necessary backpressure Deep, throaty tone, without the drone. ELIMINATE THE FACTORY RASP SOUND WITH THE ROGUE ENGINEERING RASP PIPE! Tuneable sound volume with the use of our EVC X-PIPE (SECTION 2)! Easy to install (compared to other systems in the market) Will not change ground clearance Will not void factory warranty Will not affect emissions No permanent modifications required for installation El Diablo Design; Daring to be Different Much development was spent to optimize the El Diablo exhaust system. To understand the improvements, it is important to see how a stock exhaust functions.
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Rogue Engineering - Corporate Logo
T#:22163391
Part#: RE.XPIPE.E46M3
Back Ordered
$ 644.99 USD
$ 644.99 USD
Replaces the factory section 2 mid pipe. ​Like all RE products, the section 2 x-pipe was designed to be both high quality as well as functional. Whereas the factory section 2 utilizes two 60mm diameter tubes, with a "H" crossover and small resonator, the RE X-pipe maximizes gas velocity by merging the two smaller tubes into one larger 76mm tube before splitting back into two before the rear muffler. This efficient system allows for gas velocity to equalize from cylinders 1-3 and 4-6, before entering the muffler chamber, improving sound as well as gas velocity. As an added feature, the incorporated external "dump" at the end of the X-pipe for total user controllable sound. The optional EVC valve allows the user to control the exhaust sound from stock (completely closed) to race-like loud (completely open) from within the inside of the vehicle. The user has the option of any variable position (partially open), controlling the exhaust volume and flow. It takes less than 3 seconds to fully open to fully closed. The RE X-Pipe is made to fit exactly like factory. Features include: Weighs only 12 lbs. with included blockoff plate (factory is 22 lbs.) Optional Electronic Valve Control (EVC) valve allows for user controlled exhaust sound levels with touch of a switch (designed to be mounted inside the cabin, with a discreet momentary switch) 100% T-304 stainless steel, full TIG welded construction. Version 2 now incorporates a 2-piece design allow for integration of the ROGUE ENGINEERING E46 M3 TRACK EXHAUST Includes all hardware require to mount to aftermarket exhausts. Will not change ground clearance Will not affect emissions No permanent modifications required for installation EVC Kit - ES3509316 The optional EVC sound control kit includes the following: US-made EVC Valve (6061-T6 Aluminum body and plate, stainless steel butterfly/shaft, High Temp Steel Gears) Custom wiring harness, specifically designed for internal console mounting in E46 M3. All you need is power and ground source for wiring. Custom momentary rocker switch Hardware and gaskets for mounting valve to RE X-Pipe. Stainless steel downturn exhaust tip (diverts exhaust gases towards the ground)
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CTS - Corporate Logo
T#:51075056
Part#: EXH-TP-0021
Ships in 7 Business Days
15% off MSRP $ 249.99

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

$ 212.99 USD
Free Shipping
15% off MSRP
$ 249.99

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

$ 212.99 USD
Free Shipping
Maximize your BMW G8X S58’s power with the CTS Performance Crossover Pipe. Replace the restrictive factory intermediate pipe with a high-flow design for better exhaust scavenging.


CTS - Corporate Logo
T#:50899211
Part#: EXH-TP-0029
Ships in 7 Business Days
Sale - Save 25% $ 599.99

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

$ 449.99 USD
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Sale - Save 25%
$ 599.99

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

$ 449.99 USD
Free Shipping
The CTS Turbo F-series B58 80mm Midpipe Upgrade is designed to improve exhaust flow, enhance performance, and bring out the signature B58 throaty sound. The factory midpipe is resonated, so CTS developed their high-flow replacement to increase throttle response, sharpen turbo spool, and add a deeper, more refined exhaust tone. This midpipe is made from T304 stainless steel and is a direct bolt-on fit, integrating seamlessly with OEM components for easy noticeable gains in sound and performance. Whether your car is stock or tuned, the CTS B58 Midpipe Upgrade is a must-have to unlock the full character of your F-series BMW.
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CTS - Corporate Logo
T#:24909581
Part#: CTS-EXH-TP-0021
Ships in 7 Business Days
Sale - Save 10% $ 249.99

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

$ 224.99 USD
Free Shipping
Sale - Save 10%
$ 249.99

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

$ 224.99 USD
Free Shipping
The left side downpipe on the S58 connects to a "crossover" pipe that runs beneath the transmission and links up with the mid pipes on the left side. Unfortunately, the stock shape of the crossover pipe is oval to create enough clearance underneath the transmission. This alteration from a round tube to an oval causes turbulence within the pipe, leading to a restriction in exhaust flow. CTS Turbo has designed a crossover pipe to eliminate this turbulence that is created by the factory system and ditched the oval design for a round circular design for increased flow and horsepower!
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Rogue Engineering - Corporate Logo
T#:26171630
Part#: RE.DBL.M2
Ships in 8 Business Days
$ 995.00 USD
$ 995.00 USD

Enhance your BMW's exhaust system with the Rogue Engineering M2 exhaust (for N55 engines).

Engineered to deliver a great sound without unpleasant drone, this exhaust system offers easy installation and removal, ensuring a hassle-free upgrade experience.

  • Muffler-only replacement designed for 2016-18 N55 equipped M2s
  • Constructed from full T-304 stainless steel for durability
  • Clamps to factory exhaust pipe using factory-style clamp for easy installation
  • Compatible with factory or aftermarket rear valances for customization
  • Features quad 89mm, single-wall tips with adjustable position
  • Virtually zero drone for a comfortable driving experience
  • Compatible with stock, catted, or catless downpipes and ECU tunes
  • Works with air intakes without voiding BMW factory warranty
  • Does not have vacuum-controlled valve for simplified operation
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