Berk 135i Axle-Back Street Performance (BT1801-M)

The Berk Technology exhaust system is perfect for those wanting to release the performance and sound from their high performance machine. Back-to-back championships race wins, and multiple track records are testament to the quality and performance of Berk Technology exhaust products. The sport muffler system is a no compromise approach to maximum horsepower gains in a lightweight elegant package. The sport muffler system features larger 3.00" tubing and a straight through polished muffler with zero obstructions to flow. Twin 80mm dual wall tips finish off the exhaust with a classy appearance that does not take away from the original look of the car. All Berk Technology exhaust systems are 100% bolt on at the factory mounting points and do not require any special tools or modifications to the vehicle. Supports both twin turbo N54 and single turbo N55 BMW 135i variants.