M45 BFT Edition Axle Back w/ Double Wall 4 Inch Polished Tips 2015-2021 WRX / 2015-2021 STI
The M45 Axle Back Exhaust System has been designed to eliminate the factory muffler to provide optimal weight savings with an aggressive sound under full throttle. The BFT edition sports some of the biggest f’n tips on the market, that’s right M45’s goal was to make a functional yet very stylish axle back. These 2.5” piping ensures this system flows great and the 4” double wall tips adds an aggressive styling component to any WRX / STI!
This exhaust system has been fabricated from stainless steel, and installation is considered to be pretty simple once the factory muffler is removed. These axle backs include new gaskets, hardware and hangers for a complete installation!