Search by number: 2004 Subaru Impreza 2.5L Starter ProAmp 17956 $106.00 each OPTIONS: WRX Models ProAmp 17840 $109.00 each OPTIONS: Exc WRX Models, w/AT ProAmp 17881 $141.00 each OPTIONS: Exc WRX Models, w/MT ProAmpN 17881N $121.00 each OPTIONS: Exc WRX Models, w/MT ProAmpN 17840N $129.00 each OPTIONS: Exc WRX Models, w/AT