Forge Motorsport Recirculation Valve for Subaru Impreza 2008 WRX. We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner. A direct bolt on replacement Recirculation valve for the 2008 Subaru Impreza WRX with either the 2.0 litre or 2.5 litre engines. Please note: This valve will not fit the 2008 STi. The original diamond shaped mounting bracket O-ring is to be retained and fitted to the Forge valve.In The Box: 1 x FMWRX3 Valve 1 x Uprated Yellow Spring 1 x Uprated Red Spring 1 x 40mm Hose Clamp 1 x Instructions 1 x Forge Sticker. This fits the following vehicles: [car_parts_fittings]. We are a small business and as such there may be occasions when we are unable to fulfil the order due to issue out of our control so please bear with us!