{"product_id":"dual-piston-blow-off-valve-bov-mk4-mkiv-a4-s4-1-8t-2-7t","title":"Dual Piston Blow off Valve BOV MK4 MKIV A4 S4 1.8T 2.7T","description":"\u003cp\u003e\u003cspan\u003eDesigned for turbocharged vehicles equipped with a mass air flow (MAF) sensor, this Dual-Piston Atmospheric Blow-Off Valve V2 delivers fast response, reliable boost control, and the aggressive “whoosh” sound enthusiasts expect — without the drivability issues common with traditional single-piston or diaphragm-style valves.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to work with factory charge pipes and most aftermarket setups using a standard blow-off valve flange or hose-style connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from high-quality billet aluminum, the updated V2 design features revised internals and a fully billet secondary piston for improved durability under high boost and heat conditions. The valve is fully serviceable with a twist-off top for quick maintenance and inspection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe dual-piston, counter-balanced design helps prevent idle air leaks often found in single-piston valves, reducing the risk of rough idle, stalling, and inconsistent fueling on MAF-based vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Dual-piston, counter-balanced design\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Fully billet aluminum construction\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Revised V2 internal design for improved airflow\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Billet secondary piston (no Delrin)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Fast boost response and improved boost retention\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Aggressive atmospheric discharge sound\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Fully serviceable design for easy maintenance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• 1x Dual-Piston Atmospheric Blow-Off Valve\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• 1x Inlet Pipe Plug\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• 2x Hose Clamps\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• 1x Silicone Adapter\u003c\/span\u003e\u003c\/p\u003e","brand":"JackSpania Racing","offers":[{"title":"Default Title","offer_id":48391094436065,"sku":"JSR12337","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0458\/7323\/4071\/files\/IMG-6747.jpg?v=1779470667","url":"https:\/\/jackspaniaracing.shop\/products\/dual-piston-blow-off-valve-bov-mk4-mkiv-a4-s4-1-8t-2-7t","provider":"JackSpania Racing","version":"1.0","type":"link"}