BMW Catback Exhaust Systems for BMW E46 M3 S54 (1999-2005)

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Catback Exhaust systems are designed to completely replace everything from your cats all the way back to your exhaust tips. Traditionally, if you are planning on upgrading your entire exhaust system, you will also need headers and downpipes.
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Performance Valved Catback Exhaust - E46 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:20122585
Part#: 023410LA09
In Stock
Sale - Save 13% $ 1,310.99

This product was last offered at the strikethrough price on
03-18-2026

Starting at $ 1,136.62 USD
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Sale - Save 13%
$ 1,310.99

This product was last offered at the strikethrough price on
03-18-2026

Starting at $ 1,136.62 USD
Free Shipping

The wait is finally over, if you have been driving your E46 M3 around with a stock exhaust or are looking for your final exhaust setup we have you covered! Welcome to the world of ingenious designed exhausts that can meet your every driving need. Our new E46 M3 catback Exhaust is a stunning example of both engineering and art with sounds to please your ears and a sight to remember. Our catback is a lightweight and free-flowing exhaust that features two independent valved mufflers and an ingenious mounting system that is a pleasure to install and easy to perfectly dial in the exhaust fitment. Weighing 19lbs or less than your factory exhaust, featuring mufflers specifically designed for the S54 this exhaust is able to provide two completely different driving experiences.

With the exhaust valves closed the refined driving experience will blow your mind; while daily driving with closed valves there is a perfect bump in volume over the factory exhaust which allows you to hear and feel your rpms with a smooth exhaust note that shows your true passion for your iconic vehicle. Now on to the real action, what you have always wanted but never wanted to commit to. Some days you just want to put the pedal to the floor with unlimited amounts of exhaust volume with your high revving 6 cylinder. Here is your opportunity to unleash the pure sound of your S54 while having the choice to change back to a respectable volume exhaust. With the valves open this exhaust is an absolute mental, untamable racecar. Starting off from a stop with the valves open there is a significant increase in volume over the valves closed. When entering in to the 2000 rpm range you begin to experience the slightest taste of how satisfying the exhaust is going to sound. As you approach 4,000 rpms and higher you now have started to open up the can of worms, you can feel the free flowing path of the exhaust with limited to no resistance, far superior to the factory exhaust. Anything after 6500 rpms is an absolute statement of exhaust. Over 6500 rpm is a sonorous note that lives rent free in the enthusiasts mind that can make a believer out of anyone who doubted the capable E46 M3. Once you are done having your fun and have experienced your S54 more than you ever have all you do is make one button click on your valve controller and you are back to high class and refinement. Truly the best of both worlds and a school girl giggling experience anytime you want.

Features and Benefits:

19lbs or more weight savings from your factory exhaust
Retains factory emissions
Compatible with factory headers/front sections
Compatible with aftermarket headers/front sections that mate up to the factory rear section
Utilizes factory exhaust hangers
Adjustable fabricated sheet metal muffler brackets
Integrated x-pipe for improved exhaust note
Mandrel-bent dual 2.5" 304SS pipe
High flow dual valved, stainless steel mufflers
Vacuum actuated valves
Accuseal slip fit joints
All muffler exits are used for valves open and closed
2.5” Muffler exits for a variety of 3.5" tip options
Kit Contents:

E46 M3 mid section with integrated X-Pipe
Dual Turner S54 valved mufflers
Dual valve actuators and 2 remote key fobs
Exhaust Gaskets and Hardware
New center exhaust hangers
Optional Turner 3.5" Brushed or Chrome tips
Optional muffler hanger removal pliers

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E46 M3 Full Supersprint Stepped Headers & Race Exhaust
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supersprint - Corporate Logo
T#:359361
Part#: TMS337877
Ships on Oct 6, 2026
Sale - Save 4% $ 9,334.99

This product was last offered at the strikethrough price on
06-10-2026

Starting at $ 8,998.96 USD
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Sale - Save 4%
$ 9,334.99

This product was last offered at the strikethrough price on
06-10-2026

Starting at $ 8,998.96 USD
Free Shipping

Free ground shipping! 

Sound + Power + Quality = the ultimate exhaust upgrade for the E46 M3. The Supersprint Race exhaust has a lot of fans, us included, with the mufflers producing an intoxicating shriek. This system covers the entire E46 M3 exhaust - headers, section 1, section 2, and rear mufflers with special discounted pricing. Although sound is subjective we feel the full Supersprint system produces the sexiest, most thrilling exhaust sound. It's an exotic, European-type sound unlike most American-made rumbling exhausts and it blends perfectly with the technical sophistication present throughout the E46 M3. This system does not diminsh the rasp inherent to the S54 but it's a refined and tuned sound that has won over many fans. And it's not all about the sound. Full system details:

  • Stepped Headers - replaces factory manifolds and cats; equal length stainless tube in increasing stepped sizing
  • Section 1 - matching stepped sizing straight pipes or metallic catalytic converters
  • Section 2 - with or without resonator cross-over pipe
  • Mufflers - Lightweight Race mufflers
  • 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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Performance Cat Back Exhaust - E46 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Milltek Sport - Corporate Logo
T#:380498
Part#: SSXBM462
Ships in 7 Business Days
Sale - Save 10% $ 2,387.99

This product was last offered at the strikethrough price on
07-01-2026

$ 2,148.45 USD
Free Shipping
Sale - Save 10%
$ 2,387.99

This product was last offered at the strikethrough price on
07-01-2026

$ 2,148.45 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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E46 M3 Turner Intake & Valved Catback Exhaust
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Enthusiast Bundles - Corporate Logo
T#:25042535
Part#: 023410LA09EBKT
Ships on Jul 22, 2026
Sale - Save 35% $ 2,630.94

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

$ 1,699.99 USD
Free Shipping
Sale - Save 35%
$ 2,630.94

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

$ 1,699.99 USD
Free Shipping

Revolutionize your driving experience with the E46 M3 Valved Performance Catback Exhaust from Turner. Crafted for the discerning driver, this lightweight and free-flowing exhaust boast two independent valved mufflers, offering two distinct driving experiences. Shedding 19lbs or more from the factory exhaust, the Turner catback delivers refined daily driving with closed valves, providing a smooth exhaust note. When the valves open, unleash an untamed racecar roar, experiencing heightened performance and a pure S54 sound. The flexibility to switch between the two at the touch of a button offers the best of both worlds.

Key Features:

  • 19lbs or more weight savings
  • In-house design using FARO ARM laser scanning and SolidWorks 3D CAD modeling
  • Retains factory emissions
  • Compatible with factory or aftermarket headers/front sections
  • Mandrel-bent dual 2.5" 304SS pipe
  • High-flow dual valved, stainless steel mufflers
  • Vacuum actuated valves for adjustable sound
  • Integrated x-pipe for improved exhaust note
  • Kit includes E46 M3 midsection, dual valved mufflers, valve actuators, remote key fobs, exhaust gaskets and hardware, new center exhaust hangers
  • Optional 3.5" Brushed or Chrome tips
  • Free Doorbuster: S54 Open Intake

S54 Open Intake:

Amplify airflow and let your S54 breathe with the Turner Open Intake System. With a 200% greater flow than the factory airbox, this intake enhances induction noises, providing an exhilarating auditory experience. The design integrates seamlessly with OE fresh air scoops, maintaining stock mounting locations and incorporating a 4" conical filter for maximum flow and filtration efficiency.

Features:

  • 200% greater flow than the factory airbox
  • Wrinkle Black Powdercoated Heat Shield
  • Precision fit heat shield for cool air intake
  • Utilizes OE fresh air inlet scoop
  • Aluminum MAF housing maintains OEM MAF scaling
  • 4" conical hi-flow reusable air filter
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MACH Force-Xp Stainless Steel Cat-Back Exhaust
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AFE - Corporate Logo
T#:578379
Part#: 49-36344-B
Back Ordered
Sale - Save 11% $ 1,882.99

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

$ 1,666.80 USD
Sale - Save 11%
$ 1,882.99

This product was last offered at the strikethrough price on
05-27-2026

$ 1,666.80 USD
Mandrel-bent stainless steel with gloss black tips - +15hp +13lb/ft
AFE Mach Force-Xp Cat-Back Exhaust w/ Polished tips - E46 M3 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AFE - Corporate Logo
T#:578378
Part#: 49-36344-P
Back Ordered
Sale - Save 13% $ 1,823.99

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

$ 1,589.40 USD
Sale - Save 13%
$ 1,823.99

This product was last offered at the strikethrough price on
05-27-2026

$ 1,589.40 USD
High flow exhaust system directly from aFe, one of the top after market performance manufacturers. In recent testing this system produced 15 horsepower and 13 lbs. x ft. of torque. This exhaust system is constructed from 3.0” mandrel bent stainless steel and is hand TIG-welded. The system uses a high flow transverse muffler with 3" diameter tubing which improves performance across the power band while maintaining a great tone. To finish off this exhaust are dual double wall resonated angle cut gloss black 304 stainless steel tips. The factory actuator drive is retained with the aFe exhaust so that a check engine light does not occur. This exhaust uses all factory hanger locations for a hassle free installation. No modifications necessary. Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Aggressive Sound: A free-flowing muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. Product Features: +15 HP and +13 lbs. x ft. Torque max gains Constructed from 100% hand TIG-welded, 3" to 2-1/2" mandrel bent, brushed finished 304 stainless steel tubing Includes a factory style exhaust valve Utilizes a unique high flow, transverse muffler with a high-temp powder-coated black finish Includes dual 4" diameter, gloss black 304 stainless steel tips Factory style V-band flange for a secure leak-free seal Uses all factory hanger locations for a hassle-free installation Fits the Following BMW's: 2001-2006 E46 M3
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Scorpion Cat-Back Exhaust System - E46 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Scorpion - Corporate Logo
T#:584773
Part#: SBM050
Ships in 2 Business Days
$ 1,630.99 USD
$ 1,630.99 USD
This cat back system from Scorpion features larger diameter piping for a freer flowing exhaust pathway.
Valved Cat-Back & Carbon Front Lip - E46 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Enthusiast Bundles - Corporate Logo
T#:37419769
Part#: 023410LAEBKT
In Stock
Sale - Save 35% $ 2,730.97

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

$ 1,769.99 USD
Free Shipping on orders $49 and up
Sale - Save 35%
$ 2,730.97

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

$ 1,769.99 USD
Free Shipping on orders $49 and up

E46 M3 Performance Valved Cat-Back Exhaust:

The wait is finally over, if you have been driving your E46 M3 around with a stock exhaust or are looking for your final exhaust setup we have you covered! Welcome to the world of ingenious designed exhausts that can meet your every driving need. Our new E46 M3 catback Exhaust is a stunning example of both engineering and art with sounds to please your ears and a sight to remember. Our catback is a lightweight and free-flowing exhaust that features two independent valved mufflers and a brilliant mounting system that is a pleasure to install and easy to perfectly dial in the exhaust fitment. Weighing 19lbs or less than your factory exhaust, featuring mufflers specifically designed for the S54 this exhaust is able to provide two completely different driving experiences.

With the exhaust valves closed the refined driving experience will blow your mind; while daily driving with closed valves there is a perfect bump in volume over the factory exhaust which allows you to hear and feel your rpms with a smooth exhaust note that shows your true passion for your iconic vehicle.

Now on to the real action, what you have always wanted but never wanted to commit to. Some days you just want to put the pedal to the floor with unlimited amounts of exhaust volume with your high revving 6 cylinder. Here is your opportunity to unleash the pure sound of your S54 while having the choice to change back to a respectable volumed exhaust. With the valves open this exhaust is an absolute symphony. Starting off from a stop with the valves open there is a significant increase in volume over the valves closed. When entering in to the 2000 rpm range you begin to experience the slightest taste of how satisfying the exhaust is going to sound. As you approach 4,000 rpms and higher you now have started to open up the can of worms, you can feel the free-flowing path of the exhaust with limited to no resistance, far superior to the factory exhaust. Anything after 6500 rpms is an absolute statement of exhaust. Over 6500 rpm is a sonorous note that lives rent free in the enthusiasts mind that can make a believer out of anyone who doubted the capable E46 M3. Once you are done having your fun and have experienced your S54 more than you ever have all you do is make one button click on your valve controller and you are back to high class and refinement. Truly the best of both worlds and a school girl giggling experience anytime you want.

Featured on the ECS YouTube Channel - CLICK HERE FOR SOUND CLIPS!

Features and Benefits:

19lbs or more weight savings from your factory exhaust
In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment.
Retains factory emissions
Compatible with factory headers/front sections
Compatible with aftermarket headers/front sections that mate up to the factory rear section
Utilizes factory exhaust hangers
Adjustable fabricated sheet metal muffler brackets
Integrated x-pipe for improved exhaust note
Mandrel-bent dual 2.5" 304SS pipe
High flow dual valved, stainless steel mufflers
Vacuum actuated valves
Accuseal slip fit joints
All muffler exits are used for valves open and closed
2.5” Muffler exits for a variety of 3.5" tip options
Kit Contents:

E46 M3 mid section with integrated X-Pipe
Dual Turner S54 valved mufflers
Dual valve actuators and 2 remote key fobs
Exhaust Gaskets and Hardware
New center exhaust hangers
Optional Turner 3.5" Brushed or Chrome tips
Optional muffler hanger removal pliers
- Click HERE for Installation Instructions -

PRODUCT DEVELOPMENT:

Our Turner E46 Valved Catback was designed, engineered, tested and quality inspected by our Research and Development team at Turner. Nothing but the highest level of precision and quality through leading-edge product development technology including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing our in-house 3D printer and rigorous long term product testing.

E46 M3 Euro Style Carbon Front Lip:

Our unique and carefully designed front lip for the E46 M3 focuses on enhancing the car's aesthetics while preserving its natural beauty. This front lip is constructed of high-gloss, 3mm thick, 2x2 carbon fiber that adds a tasteful accent to the bumper while being strong and lightweight!

This aesthetic piece was crafted to stand out from other options available on the market by incorporating design elements that draw inspiration from the stock bumper but reimagines them in a way that sets it apart. Rather than overcomplicating the car's body styling, the goal was to seamlessly integrate the front lip with the existing design. This approach aims to enhance the car's body styling rather than overshadow it.

This versatile design is suited for both track use and everyday driving on the streets. Our E46 M3 front lip was designed to strike a balance between uniqueness and performance oriented aesthetics, while complementing the car's existing design. This is a clear cut choice front lip for someone looking to enhance the look of their M3.

Once you see your M3 with this front lip from, you will no longer think the front end is complete without it. Rounding out the near perfect car, this front lip completes the front end by filling out the open space underneath and sets the stage to enjoy the timeless body styling incorporating a curvature that compliments the front bumper.

Features & Benefits:

High-Gloss
Beautiful flowing carbon weave
Strong and lightweight
Updates the bumper with carbon appearance that enhances the existing body lines
Motorsport styling
Enhanced lowered appearance
Design:

CAD designed in-house for precision fitment
3mm 2x2 carbon fiber shell securely mounted at strong mounting points along the whole surface where the lip mates to the bumper
Front leading edge helps compliment and accentuate the forgotten body lines to add an aggressive yet subtle flare to the front end
Attaches to the front bumper with self tapping screws, plastic riv-nut and 6mm 3m adhesive tape to securely mount
Installation hardware included
Installation:

Mounts to the bumper using factory hardware combined with self tapping screws, plastic specific rivnut and hardware for securing the center posts. Requires drilling the underside of the bumper. Riv-nut installation tool included.

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