Protects air filter from excessive dirt and helps deflect water

1 specification Made from 4140 forged chromoly steel (2X stronger than billet steel)

- Reduces wheel hop and traction loss

Manufacturer Code RS0811AUA5

valvetrain and upgraded intake manifolds may already be maxing out the duty cycle of the factory Type-S injectors

Mishimoto Cat-Back Subaru Impreza WRX/STI 15+ VA TITOLO:Manufacturer Code MMEXH-WRX-15 Protects air filter from excessiveHere at Mishimoto we've decided to expand our line of 2015 WRX parts. Mishimoto is proud to release the 2015+ Subaru WRX STI cat back exhaust. One of the biggest complaints 2015 WRX owners have is that the stock 2015 WRX exhaust systems lack an aggressive tone. By installing the Mishimoto 2015 WRX cat back exhaust allows the entire system to breathe easier, providing horsepower, torque, and a rich exhaust tone. After comparing many different muffler