3″ Exhaust Decat Downpipe – Subaru Impreza GRB WRX STI 08-12

Gravity Performance Downpipes instantly increase power by allowing exhaust gasses to exit the vehicle quicker. Our Downpipes are designed to be direct replacements for OEM downpipes, ensuring smooth installation every time. Manufactured from high-quality T304 grade stainless steel, mandrel bent and fully TIG welded for strength and durability. 3" (76mm) bore all the way through for optimum exhaust gas flow. Perfect fit with a standard or any aftermarket catback system. Improves power, torque and throttle response across the entire RPM range.