Mishimoto Catback Exhaust WRX / STI (2015-2018) Honda Stock OE boost pipes are

Stock OE boost pipes are prone to failing where the flange meets the piping

more low end torque

Both our resonated and non-resonated downpipes feature larger than stock tubing diameter

The RS-R Forged Race Wheel is Speedwell's flagship wheel

Hi-Power Exhaust systems are made from SUS304 stainless steel muffler and tip assemblies

Mishimoto Catback Exhaust WRX / STI (2015-2018) Honda Stock OE boost pipes areMishimoto introduces their 2015+ Subaru WRX STI catback exhaust. One of the biggest complaints WRX STI owners have is that the stock cat back exhaust systems lack an aggressive tone. By installing the Mishimoto catback for the 2015+ Subaru WRX STI it allows the entire system to breathe easier, providing horsepower, torque, and a rich exhaust tone. After comparing many different muffler sizes and designs, Mishimoto engineers chose oval mufflers to help