HKS Hi-Power Exhaust - Subaru WRX / STi 2002-2007 Subaru-Forester-XT-2008 These pipes are larger in

These pipes are larger in diameter and feature smooth bends that reduce the amount of turbulence under boost which provides a smooth transition of power under boost

The width and offset chosen for the Option Lab S718 wheel was not randomly picked

the denser the air becomes and that’s what helps eliminate pre-detonation

Please Note:

the Revolution RS is covered by a limited lifetime warranty

HKS Hi-Power Exhaust - Subaru WRX / STi 2002-2007 Subaru-Forester-XT-2008 These pipes are larger inOn this page, you are looking at the HKS Hi Power Exhaust System. This exhaust system improves the performance by lifting the restrictions found in the OEM exhaust design. Details: Larger 3" piping diameter and smooth bends limit turbulence and restriction under acceleration 304 stainless steel materials Minimal bends in the design Increase in both horsepower and torque Improved throttle response Reduced turbo lag Deep tone under idle with an