Collection: Exhaust Parts for 2009 Subaru Impreza WRX STI

Shop 61 exhaust parts that fit the 2009 Subaru Impreza WRX STI - cat-backs, axle-backs, headers, downpipes, mufflers, tips and more from Victor Reinz, Magnaflow, Invidia and BLOX Racing. Only parts listed for the WRX STI are here. Every part shows its real ship date and California status, orders over $100 ship free in the lower 48, and you can hear real sound clips before you buy.