Perrin Performance PSP-EXT-349BR Stainless Steel Cat-Back Non-Resonated (11-15 Subaru Sti/WRX (Sedan) Quad Tip 304 Exhaust) From suspension to engine performance, Perring makes the products which will boost your performance to the next level Perrin Performance manufactures and supplies the finest Subaru products on the market today Manufactured in United States