Subaru OEM Rear Console Diffuser Subaru WRX / STI 2004-2007 Wheel Hub These egulators are direct bolt-on

These egulators are direct bolt-on for engines with the factory fuel rail or aftermarket fuel rails designed with mounting provisions for the stock regulator

Acceleration and throttle response is improved and much more linear- very important for autocross

This alloy is heat-treated to 190

Increases pressure tolerance

(2) Engine Mounts

Subaru OEM Rear Console Diffuser Subaru WRX / STI 2004-2007 Wheel Hub These egulators are direct bolt-onPart #: SUB 91225FE000 The STI Rear Diffuser came standard on the 06 07 USDM STi. It channels the air underneath the car to help with high speed stability. You can either purchase the diffuser alone if your car already came with one from the factory or you can purchase the additional hardware in order to bolt it onto your vehicle, such as the Cusco Diffuser Mount and Hardware. The hardware you will need when installing this on a WRX or 04 05 STI is as