{"product_id":"blitz-dump-valve-kit-blow-off-valve-70487-impreza-gh8-forester-sh9-legacy-bp5-bl5","title":"Blitz Dump Valve Kit - Blow Off Valve - 70487 - Impreza GH8, Forester SH9, Legacy BP5-BL5","description":"\u003cp\u003e\u003cspan style=\"line-height: 1.42857;\"\u003eBlitz \u003c\/span\u003eVenturi Drive Super Sound Blow Off Valve - Release Type - Deep Metal Coating\u003cbr\u003e\u003cbr\u003eThe all new ribbed main body dissipates heat more effectively and the venturi shaped funnel creates a sharp dynamic sound.\u003cbr\u003e\u003cbr\u003eVenturi Drive dump valves also feature \"Dual Drive\" for maximum response, a small port for low boost and a larger port for high boost.\u003cbr\u003e\u003cbr\u003eThe main purpose of the dump valves is to improve the response of the turbo by quickly releasing the boost pressure before the turbo stalls.\u003cbr\u003e\u003cbr\u003eThey are made from die cast polished aluminium with a brass piston and a rubber diaphragm, meaning they can easily cope with boost pressures up to 1.2 bar with the supplied spring.\u003cbr\u003e\u003cbr\u003eThere is an alternative hard spring for boost pressures above 1.2bar and also a soft spring available for very low boost applications. (please see DV Spares)\u003cbr\u003e\u003cbr\u003eThey are also tension adjustable.\u003c\/p\u003e\n\u003cp\u003eThis kit includes everything needed to install onto your vehicle.\u003cbr\u003e\u003cbr\u003eThis kit is a Release Type\u003c\/p\u003e","brand":"Blitz","offers":[{"title":"Default Title","offer_id":29610583556209,"sku":"70487","price":212.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0054\/9099\/9409\/products\/VDblowoff-dmc-1_2bd696ca-5b4d-4caa-aafe-a1e8578698c1.jpg?v=1567018706","url":"https:\/\/www.fensport.co.uk\/products\/blitz-dump-valve-kit-blow-off-valve-70487-impreza-gh8-forester-sh9-legacy-bp5-bl5","provider":"Fensport Performance","version":"1.0","type":"link"}