The Invidia R400 exhaust systems for Subaru WRX / STI offer a rich exhaust note and enhance performance.
Invidia R400 tuned muffler exhaust systems offer a rich exhaust note which enhances the natural tone of your car's engine. Invidia's high flow design ensures efficient exhaust flow for optimum engine performance.
Specifically designed to fill the sound gap between the Q300 and N1 system. The R400 produces a unique, agressive note without any harsh cabin noise (particularly at highway speeds).
Second to none quality assured: