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

• Stainless steel construction
• Multi-chamber design for increased performance
• Chambered muffler performance sound

True to form, Dinan has developed this Free Flow stainless exhaust to increasing flow by reducing back pressure, resulting in more power. Best of all, it has a great tone that is aggressive when you want it to be, but pleasant and civilized under normal driving conditions. Constructed from stainless steel for the quality and performance you'd expect from your BMW.

• +6 HP / +5 lb/ft
• Hemholtz chamber eliminates drone
• Corrosion resistant 20-gauge 304 stainless steel muffler
• Quad 3.5" laser engraved exhaust tips
• Louder, sportier sound
• Simple bolt-in installation
• Worth 3 points toward your Dinan badge

For over 35 years, Dinan has been America's premier tuning company, pioneering advancements in BMW modification while retaining a focus on balanced performance that preserves the original character and driving feel that a BMW offers. When you install a Dinan part on your car, know that it's not only carefully developed and tested, but that Dinan stands behind it with a four year, 50,000-mile warranty. Dinan believes so fully in their “total package” approach that once your car has been fitted with enough of their parts, they celebrate your conversion from stock to Dinan with an exclusive trunk badge, displayed proudly by BMW enthusiasts everywhere.

This product fits the following BMWs:
2008-2011 E90 M3

Enhance your BMW's hose connections with this sleek and reliable smooth clamp. Crafted specifically for BMW models, this clamp ensures secure and leak-free connections for hoses. Experience improved durability and functionality in your BMW's system with this purpose-built smooth clamp.

Key Benefits:

• Secure and leak-free hose connections
• Designed specifically for BMW models
• Enhanced durability for long-term use

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 12mm locking collar can be found HERE.

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.

Upgrade your BMW E90 M3's exhaust system with the BMW E90 M3 Megan Axle Back Exhaust. This high-performance exhaust system is designed to enhance both the sound and performance of your vehicle.

• Specifically designed for BMW E90 M3 models
• Constructed from high-quality materials for durability
• Provides an aggressive exhaust note
• Easy bolt-on installation for convenience

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

For secure exhaust connections, choose the 2.25" (57mm) Exhaust Clamp.

Engineered for durability and reliability, this clamp ensures a tight seal for your exhaust system components. Its high-quality construction and corrosion-resistant finish provide long-lasting performance, even in harsh conditions. With easy installation and a precise fit, this exhaust clamp is a must-have for any vehicle owner.

• Ensures a tight seal for exhaust system components
• High-quality construction for durability
• Corrosion-resistant finish for long-lasting performance
• Easy installation for convenience
• Precise fit for secure connections