Description
The COBB BMW 3-Series Cat-Back Exhaust – cobb5B1130 is engineered to deliver high-quality performance, refined sound, and long-term durability for BMW 3-Series models equipped with the N54 engine. Designed as a true vehicle-specific system, this cat-back exhaust uses premium stainless steel piping paired with a high-efficiency muffler to improve exhaust flow while maintaining a clean, factory-like appearance.
COBB developed this exhaust to enhance performance without compromising daily drivability. Sound levels remain subtle and controlled, staying within the SAE-regulated 95-decibel noise limit enforced in California and many other states. The exhaust system retains all factory emissions components, ensuring dependable, compliant operation.
Installation is straightforward thanks to its design modeled after OEM exhaust routing and fitment points. The system arrives as a direct bolt-on replacement and includes all required hardware and gaskets, making the upgrade process simple and stress-free.
Key Features
- COBB BMW 3-Series Cat-Back Exhaust (5B1130)
- High-quality stainless steel piping
- Optimized muffler design for smooth and efficient exhaust flow
- Maintains stock-like appearance and refined sound level
- Meets SAE 95-decibel noise compliance standards
- Retains factory emissions equipment
- Direct bolt-on installation
- Includes all required hardware and gaskets
Vehicle Fitment
The COBB BMW 3-Series Cat-Back Exhaust – 5B1130 fits the following BMW N54-equipped 3-Series models:
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BMW 335i
2007–2010 BMW 335i -
BMW 335i xDrive
2009–2010 BMW 335i xDrive -
BMW 335is
2011–2013 BMW 335is -
BMW 335xi
2007–2008 BMW 335xi
