Buy 2004 Subaru Baja 2.5L Turbo SPORT SHIFT B Charge Air Cooler Pipe. Turbocharger Intercooler Pipe Engine, Acceleration - OEM Subaru Part # 21830AA102 (21830AA100, 21830AA101)

DUCT-INTER COOLER Intercooler Pipe

Fits STI, WRX

Turbocharger Intercooler Tube
If your Subaru is equipped with a turbo and you've noticed a reduction in acceleration or a hissing on acceleration accompanying your check engine light, your intercooler or its piping/tubes may need to be repaired or replaced.