Search by number: 2009 Subaru Impreza 2.5L Starter ProAmp 17840 $109.00 each OPTIONS: Exc WRX Sti, w/AT ProAmp 17881 $141.00 each OPTIONS: Exc WRX Sti, w/MT ProAmp 19071 $143.00 each OPTIONS: WRX Sti ProAmpN 17881N $121.00 each OPTIONS: Exc WRX Sti, w/MT ProAmpN 17840N $129.00 each OPTIONS: Exc WRX Sti, w/AT