BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW E46 M3 S54 (1999-2005)

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.

Upgrade your exhaust system with the 2.5" Stainless Steel 3-Bolt Flange - Priced Each. This high-quality flange is designed to provide a durable and reliable connection for your exhaust components. Made from stainless steel, it offers corrosion resistance and longevity, ensuring a lasting performance. Whether you're repairing or customizing your exhaust system, this flange is an essential component for a secure fit.

• Durable stainless steel construction
• Corrosion-resistant for long-lasting performance
• Provides a reliable connection for exhaust components
• Suitable for repair or customization of exhaust systems

Achieving precise exhaust fitment can be tricky—especially when the exhaust hanger has room to slide. This movement can cause annoying rattles or even lead to contact with the underbody or rear bumper. The ECS Tuning Exhaust Locking Collar offers a simple and effective fix. Designed to clamp securely around the exhaust hanger, this collar keeps everything firmly in place, eliminating unwanted movement.

Crafted from high-strength 6031 billet aluminum and finished in a sleek black anodized coating, it delivers both durability and corrosion resistance. With this collar in place, your exhaust stays exactly where it should—no rattles, no surprises.

Product Design:

Made from precision machined 6061 aluminum Black anodized finish Stainless steel M5 X 0.8mm hardware Installation & Support:

Install the locking collar around your exhaust hanger, position the hanger in place, and snug the locking collar down in place against the hanger! ECS Exhaust Hanger Locking Collars are available for 10mm and 12mm exhaust hangers. Please measure your hangers before ordering. The 10mm locking collar can be found HERE.

Universal 2.5" inlet to 3.5" outlet exhaust tip. Priced per exhaust tip.

Over the years, it is not uncommon for exhaust tips to be damaged and corroded, becoming a "sore spot" of your BMW. To remedy this unsightly feature, we now offer our very own exhaust tips! Featuring stainless steel construction and a simple, yet sporty design, this exhaust tip will look perfectly at home on almost any model.

Features & Specifications:

Swivel feature for perfect alignment of the exhaust tips in the rear bumper
2.5" Inner Diameter
3.5" Outer Diameter
Brushed Aluminum Finish
Double Wall Construction
Angle Cut Style
Includes Stainless Steel Clamp