BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW E90 M3 S65 4.0L

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.

Flange copper nut - priced each

Rein Copper Exhaust Lock Nut is an essential component for anyone looking to maintain or upgrade their vehicle’s exhaust system. This high-quality copper nut ensures a secure and durable fastening, preventing exhaust leaks and ensuring optimal performance. Designed for heat resistance and durability, the Rein Copper Exhaust Lock Nut is perfect for high-temperature environments, making it ideal for both daily drivers and high-performance vehicles.

Turner Motorsport offers this premium copper exhaust lock nut, which is resistant to corrosion and rust, providing long-lasting reliability. Whether you're a professional mechanic or a DIY enthusiast, this copper lock nut is easy to install and ensures the proper fit and function of your exhaust system.

• Made from high-quality copper for maximum durability
• Heat and corrosion-resistant to withstand extreme temperatures
• Perfect for maintaining or upgrading your exhaust system
• Ensures a secure, leak-free connection
• Available at Turner Motorsport for easy purchase

Constructed of laminated light-weight glass cloth, this gold reflective heat tape is designed to reflect 80% of radiant heat. With excellent pliability, this tape is easy to install. It's as simple as peel and stick. 

Key Features:

• Can handle temperatures up to 850 Degrees Fahrenheit 
• UV resistant 
• Light weight easy to apply 
• Protect sensitive engine components 
• Cut to size 
• Engine accent/dress up

BMW E90 M3 Supersprint Race Mufflers are the ultimate upgrade for those seeking the perfect blend of sound and performance. Supersprint, with over 60 years of experience in designing and building top-quality exhaust systems, has established a reputation for excellence in BMW exhausts. Their extensive testing with real race teams ensures that these mufflers deliver both power and an exhilarating sound.

This Supersprint muffler for the E9X will wake up your car, providing increased volume and sound. It's a direct replacement for the stock muffler on E9X models and eliminates the stock system's exhaust flap valve, allowing more engine noise at all RPMs and startup. If the stock system is too quiet for your tastes, this is the perfect solution.

Benefits:

• Direct replacement for stock muffler on E9X models
• Eliminates the stock system's exhaust flap valve for increased engine noise
• Provides an exhilarating sound at all RPMs and startup
• Designed and tested with real race teams for optimal performance
• Made with high-quality materials for durability and longevity
• Extensive dyno testing ensures maximum power extraction from the engine
• Perfect for BMW enthusiasts seeking a balance of sound and performance

Upgrade your BMW E90 M3 with Supersprint Race Mufflers and experience the power and sound that only Supersprint can deliver.

If your vehicle's catalytic converter has failed, this remanufactured exhaust manifold is the cure. Clear that check engine light and pass emissions tests with flying colors!

This is a remanufactured exhaust manifold that includes a $50.00 refundable core charge.