Axle-Back Street Performance Exhaust System

The Berk Technology Axle-Back Street Performance Exhaust is engineered to unlock the performance and distinctive sound of your BMW 135i. This sport muffler system represents a no-compromise approach to achieving significant horsepower gains in a lightweight and elegant package. Featuring larger 3.00″ diameter tubing and a straight-through polished muffler, this system is designed to minimize obstructions and maximize exhaust flow. The aesthetic is completed with twin 80mm dual-wall tips, polished to a high sheen, which complement the vehicle's original look. The entire exhaust system is constructed from full stainless steel and is meticulously hand-assembled and TIG welded for superior durability and performance. Installation is straightforward, as all Berk Technology exhaust systems are designed for a 100% bolt-on fitment using factory mounting points. No special tools or vehicle modifications are necessary. This exhaust system is compatible with both the twin-turbo N54 and single-turbo N55 variants of the BMW 135i. Key features of this performance exhaust include a deep, authoritative tone with exotic notes at full throttle, an increase in horsepower, torque, and turbo response, a lightweight straight-through design for maximum flow, and twin 80mm polished dual wall exhaust tips.