Description:

R400 tuned muffler exhaust systems offer a rich exhaust note which enhances the natural tone of your car's engine. The item'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, aggressive note without any harsh cabin noise (particularly at highway speeds).

• Fits all trim levels 2015-19 WRX and STI
• For Exact Years and Models, Please Check Compatibilities