[url=http://www.ebay.co.uk/itm/120986804177?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649]SUPPLIED WITH FREE BLANKING PLUG Piston / Trumpet Dump Valve (With Matching Blanking Plug) for Subaru Impreza Turbo 2001-2006: This very impressive dump valve not only looks fantastic but is used to replace the standard valve that is notorious for failing or leaking on the Impreza Turbo's. This valve is fully compatible with the Subaru engine management systems and mounts directly in place of the original valve on the intercooler mount. Unlike most BOVS on the market ours is assembled with high temp seals and serviced using the correct graded lubricants. This Piston / Trumpet Dump Valve will also help prolong the life of your turbo and cure any boost leaks etc associated with the standard factory fitted dump valve. This is especially important if your Subaru Turbo has been modified or had the boost increased. This Valve will hold precious boost pressure without leaking resulting in more power throughout the rev range and creating a fantastic sound on every gear change! Keeps the turbo spooling between gear changes reducing lag Constructed from high quality billet aluminium Atmospheric - Vents directly to atmosphere (Great Sound) Rated for up to 2.5 bar of boost