The Forge Fast Response Recirculating Dump Valve is the result of 25 years of experience and engineering expertise. It has been designed to simply replace the original Bosch recirculating valve on many VAG engines and some Ford, Porsche and Renault (see below). With Forge's reputation for innovating and manufacturing the best automotive valves in the world, you can be certain that there is currently no better replacement valve available.Greater flow rate than OEM Bosch valveFaster response time due to revised designFully serviceableCan be rebuilt to suit the boost pressures associated with different applicationsAvailable in black for a "stealth" installation or polished finishUnique compact design gives greater clearance for installing under engine coversGreater longevity with extended service intervalLimited lifetime warrantyThe Forge Recirculating Dump Valve is suitable for all VAG 1.8T engines, Audi 2.7 Bi-Turbo engines, Ford Focus RS Mk1, Porsche 911 (996) Turbo and Renault Clio.Th