When we set out to build an exhaust for the BMW E46 323/328, we knew it needed to match how you drive and how you want your car to sound. We also know that while many drivers wish for an aggressive, head-turning exhaust note, they don’t always want the volume all the time. That’s why we engineered this lightweight Turner Motorsport performance exhaust system with a fully valved muffler, giving you the ability to switch between a refined, quiet tone and a loud, spirited sound at any moment.

Our new Turner Cat-Back Exhaust is the first valved rear section designed specifically for the E46 323/328. With the included remote controller, you can change your exhaust tone with a simple click. With the valve closed, the system delivers a smooth, deep, tasteful note for daily driving. Open the valve, and you unlock an aggressive, free-flowing exhaust tone that brings out the full character of the M52 engine, perfect for track days or anytime you want maximum sound and performance.

For maximum flow and durability, we built this system using dual 2.0" T304 stainless steel mid-pipes that bolt directly to your factory downpipes. Inside the mid-section, we integrated an X-pipe to balance exhaust pulses, reduce backpressure, increase performance, and smooth the exhaust note. The dual 2.0" mid-pipes merge into a 3.0" axle-back section and a full 3.0" valved muffler, finished with bold 3.0" integrated tips that perfectly fill the E46 rear bumper.

Modern performance cars use valved exhaust systems as standard equipment, but the E46 never truly benefited from that technology. Some early E46 models used a basic vacuum-controlled valve, but after nearly 20 years, most are no longer functional. By studying BMW’s original concept and improving it with modern engineering, we created a lightweight, high-performance valved exhaust that gives your BMW E46 323/328 modern sound control, better flow, and a dramatically enhanced driving experience.

Part Design & Engineering

In-house Turner Motorsport design using FARO ARM laser scanning and SolidWorks 3D CAD for precise BMW E46 fitment
T304 stainless steel construction with 1.25mm wall thickness, TIG-welded and back-purged for superior strength
2.0"–3.0" mandrel-bent stainless tubing for optimal flow and performance
T304 stainless 12mm barbed hangers TIG-welded in OE locations for perfect alignment
Direct-fit flanges engineered to bolt to factory BMW 323/328 downpipes
Over 20 lbs lighter than the factory cat-back exhaust
Designed for smoother flow, reduced backpressure, and improved exhaust tone
Kit Contents

2.0" Mid-section with integrated X-pipe
New center exhaust brace
3.0" valved muffler with integrated 3.0" tips
Valve controller with installation kit and two remote fobs
New downpipe hardware to replace seized factory studs
All required gaskets, clamps, and installation hardware

The MACH Force XP exhaust system for the BMW 325i/ci 330i/ci E46 produced 13 horsepower and 15 lbs. x ft. of torque. This exhaust system is constructed from 2.25” mandrel bent 409 stainless steel and is MIG-welded for high strength. The system uses a true dual in and dual out high flow muffler with 2.25” tubing which improves performance across the entire power band while maintaining a great tone. To finish off this exhaust are dual, double wall resonated angle cut 304 stainless steel tips. This exhaust uses all factory hanger locations for a hassle-free installation. No modifications necessary. 

Hassle-Free Installation: All systems use factory mounting locations providing stability and hassle-free installation.

Leak-Free Seal: High quality OE style flanges and band clamps are used for a complete 360 degree sealing surface.

Aggressive Sound: A free-flowing, true dual muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque.

OEM BMW Gaskets: This system uses two OEM BMW gaskets to provide a flawless seal without sacrificing quality.

All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

This part fits the following BMWs:
1998 - 2001 E46 325i 325ci 330i 330ci 

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! 

The S54 under the hood of your E46 M3 is a high-revving masterpiece, but factory exhaust setups and many aftermarket options leave you stuck with that dreaded, tinny exhaust rasp. The Turner Motorsport Equal Length Section 1 Exhaust is built to cure the S54's sound once and for all, delivering the aggressive, track-inspired tone your M3 deserved from the factory.

We designed this equal-length section 1 pipe with a proprietary internal resonator that smooths out exhaust pulses, completely killing unwanted rasp while dialing in a throatier, exotic sound profile. Built from heavy-duty 304 stainless steel with precise pie-cut welds, it’s engineered to withstand the thermal stress of aggressive track days and daily street driving without rusting or deteriorating. It’s a 100% direct bolt-on upgrade using new gaskets and hardware, meaning you get pure motorsport sound and performance with an effortless installation.

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

BMW E46 Supersprint Exhaust System - Cat Back - Oval Tip Muffler offers the perfect blend of enhanced sound and performance for BMW enthusiasts. With over 60 years of experience in designing and building high-quality exhaust systems, Supersprint is renowned for its exceptional craftsmanship and performance. This exhaust system has been rigorously tested by real race teams, ensuring that it delivers both power and a refined sound.

Benefits:

• Performance Enhancement: Optimized design to improve exhaust flow, resulting in increased horsepower and torque.
• Superior Sound Quality: Provides a subtle yet aggressive sound upgrade for the E46 325 and 330, enhancing the driving experience.
• High-Quality Materials: Constructed from premium materials to ensure durability and longevity.
• Proven Track Record: Backed by extensive dyno testing and feedback from professional race teams.
• Direct Fit Installation: Designed for a straightforward installation process, making it a hassle-free upgrade for your BMW.

Upgrade your BMW with the BMW E46 Supersprint Exhaust System - Cat Back - Oval Tip Muffler and enjoy the perfect combination of performance and sound.

The E46 M3’s high-revving S54 engine deserves an exhaust note that matches its motorsport pedigree. Developed with precision acoustics in mind, this comprehensive exhaust package delivers the ideal blend of high-rpm rasp control, flow performance, and switchable sound volume. Unleashing exotic tones every time you hit the throttle

By pairing our Resonated Equal Length Section 1 with our Valved Stainless Steel Rear Exhaust, this system equalizes exhaust pulse timing to produce a clean, exotic tone. Open the valves via the included Bremman wireless control kit to bypass restrictors for maximum flow on the track, or close them for subtle street cruising. Engineered for a direct fit, this kit comes complete with track-grade HJS hangers and brand-new exhaust hardware to replace worn factory components.

TURNER E46 325i VALVED CAT-BACK EXHAUST

When you're choosing an exhaust, you shouldn’t have to compromise between spirited performance and neighborhood-friendly volume. The Turner Valved Cat-Back Exhaust delivers the best of both worlds: tame when you want it, rowdy when you don’t! Lightweight, performance-driven, and specifically designed for your E46, this exhaust offers instant control over your car’s sound and power output.

With a simple press of a button, the exhaust valves adjust to match your mood or driving environment. Keep them closed for a deep, resonant tone or open them wide for full-throttle power and exhilarating sound. Engineered to withstand high performance and everyday driving, this exhaust will elevate your BMW experience.

Key Features:

Dual 2.0" Stainless Steel Mid-Pipes: Smooth airflow for reduced back pressure, connecting seamlessly to factory downpipes. Integrated X-Pipe: Reduces back pressure and improves exhaust tone. Full 3" Valved Muffler: Delivers aggressive sound when open; quiet and refined when closed. Integrated 3" Tips: Perfectly fill the rear diffuser with a polished finish. Lightweight Design: 23 lb weight reduction over factory exhaust. Complete Kit Includes:

2.0" Mid-section with X-pipe integration 3" Valved Muffler and integrated tips Exhaust valve control kit with two remote key fobs Gaskets, clamps, and complete mounting hardware Installation instructions available in the installation tab. ECS E46 325 LUFT-TECHNIK INTAKE SYSTEM

Take your driving experience up a notch with the ECS Luft-Technik Intake System! Designed to increase airflow and unlock captivating induction sounds, this intake system frees your engine from the restrictive stock intake box. Enjoy a noticeable boost in both performance and sound.

Benefits:

Significant Airflow Increase: 71 CFM gain over stock (27% increase). Enhanced Induction Noise: Adds a sporty, satisfying sound. Seamless Factory Integration: Retains stock MAF location and mounts to existing air induction track. Premium Design:

Wrinkle-Black Powder Coated Aluminum Tubing: Engineered from durable 6061 and 5052 aluminum. 7” Oiled Cotton Gauze Filter: Red filter maximizes air intake. Silicone Inlet Boot: Replaces failure-prone factory intake boot, providing smoother airflow and greater durability. Complete Kit Includes:

7” Oiled Filter (Red) Silicone Inlet Boot with improved flow characteristics Aluminum MAF Flange Mounting brackets, clamps, and all necessary hardware Turner Motorsport and ECS Tuning developed these products with precision, using FARO ARM laser scanning technology and CAD modeling for perfect fitment. Elevate your E46 with this exclusive package, and experience a total transformation in performance and sound!

Engineered for vehicles with vacuum-actuated exhaust valves, the ECS Remote Vacuum Exhaust Valve Control Kit puts you in complete command of your exhaust sound. This fully standalone system lets you open or close your valves instantly—no reliance on factory controls, drive modes, or complicated wiring.

At its heart is a self-contained vacuum pump and dedicated control module, operating entirely independent of your vehicle’s electronics. The result is broad compatibility with both OEM and aftermarket exhaust systems, allowing for the freedom to switch between aggressive performance sounds and a refined, quiet tone at the touch of a button.

Kit Includes:

Standalone Vacuum Pump – Delivers consistent vacuum for reliable valve function

Wiring Harness Options – Choose from a reversible cigarette lighter power adapter or a length of wire for custom hardwiring

High-Quality Vacuum Hose – Durable, leak-resistant construction for long-lasting performance

Remote Controllers – Compact fobs for easy operation from inside or outside the vehicle

Features:

Instant open/close control for exhaust valves

Operates completely independent of factory electronics

Universal compatibility with vacuum-actuated valve systems

Ideal for both aftermarket and factory exhaust setups

From stealthy early-morning starts to unleashing your exhaust’s full roar on demand, the ECS Remote Vacuum Exhaust Valve Control Kit gives you total control over your car’s voice—whenever and wherever you want it.

Experience Enhanced Exhaust Sound Control with Vibrant Performance Bottle-Style Resonators

Vibrant Performance introduces their Bottle-Style resonators engineered with an authentic straight-through perforated core enveloped in premium multi-layer sound suppression materials. These resonators adeptly mitigate exhaust noise while maintaining unrestricted exhaust flow. Crafted from high-quality T304 stainless steel, Vibrant Performance offers a range of applications, ensuring a perfect fit for various vehicle models.

Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees! 

Key Features:

• 2" wide x 1/16" thick
• Durable, tightly woven, 100% fiberglass
• Reduce under hood temperatures
• Protect other engine components
• Protect your hands/arms from burns
• Each roll comes with 5 FREE, 14" long stainless steel zip ties

Enhance Your BMW with the Magnaflow Universal Muffler

Looking for an affordable way to replace your BMW's muffler and transform its exhaust note? Your search ends here! The brand-new Magnaflow Universal Muffler is your budget-friendly solution, designed to elevate your BMW's sound and style.

Key Features:

• Budget-Friendly: The Magnaflow Universal Muffler is the go-to choice for budget-conscious BMW owners seeking an economical way to enhance their vehicle's sound.
• Enhanced Sound: This muffler delivers an improved exhaust note, creating a deeper, more attractive tone that will make your BMW stand out from the crowd.
• Universal Fit: With its universal fit, it is compatible with a range of BMW models, ensuring a seamless installation process.
• Quality Construction: Crafted from durable materials, this muffler is built to last, providing long-term performance and value.
• Turner Motorsport Approved: Endorsed by Turner Motorsport, a renowned name in the BMW community, you can trust this muffler to meet your expectations for quality and performance.

Say goodbye to that noisy ride and give your BMW the sound it deserves with the Magnaflow Universal Muffler. Upgrade today!

Free ground shipping!

The crowning touch to an exotic and wicked sounding E46 M3! The Supersprint Race mufflers are very popular for the shriek they add to the S54's exhaust note. A full Supersprint system with these mufflers is one of the sexiest E46 M3 exhaust sounds we've come across - especially in a tunnel! The Lightweight Race mufflers are the capstone to that system. You can use them with any other center section or with the Supersprint section 2 (with or without a resonator).

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!

connects to:stock section 2 or Supersprint section 2

tip style:80mm quad round

material:T304 stainless steel

This item fits the following BMWs:
2001-2006 E46 BMW M3

Free ground shipping!

The Supersprint rear resonator for the E46 M3 is designed to help you tune your exhaust to your personal taste. If you're not a fan of the stock raspy exhaust note of the M3 this Supersprint resonator can help to reduce it. Or if extensive exhaust modifications have made the exhaust too loud this resonator can help quiet and dampen the overall volume. This fits in section 2 of the exhaust - after the front resonator section 1 and before the rear muffler.

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!

section:section 2 resonator

connects to:any section 1; any rear muffler

material:T304 stainless steel

This item fits the following BMWs:
2001-2006 E46 BMW M3