{"product_id":"process-west-double-w460-pump-anti-surge-fuel-system-subaru-wrx-sti-2008-2014","title":"Process West Double W460 Pump Anti-Surge Fuel System Subaru WRX \/ STI 2008-2014","description":"\u003ch3\u003eProduct Fitment:\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003e2008-2014 Subaru WRX\u003c\/p\u003e\n\u003cp\u003e2008-2014 Subaru STI\u003c\/p\u003e\n\u003cp data-start=\"87\" data-end=\"241\"\u003eA fully engineered fuel delivery upgrade designed to eliminate fuel starvation under high load while remaining clean, compact, and OEM-like in appearance.\u003c\/p\u003e\n\u003chr data-start=\"243\" data-end=\"246\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"248\" data-end=\"264\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"265\" data-end=\"885\"\u003e\n\u003cli data-section-id=\"d73m9z\" data-start=\"265\" data-end=\"377\"\u003e\n\u003cstrong data-start=\"267\" data-end=\"297\"\u003e2.4L surge vessel capacity\u003c\/strong\u003e for stable fuel supply under sustained cornering, acceleration, and track use\u003c\/li\u003e\n\u003cli data-section-id=\"1iisyxq\" data-start=\"378\" data-end=\"452\"\u003e\n\u003cstrong data-start=\"380\" data-end=\"422\"\u003eInternally mounted Walbro 460 LPH pump\u003c\/strong\u003e (single pump configuration)\u003c\/li\u003e\n\u003cli data-section-id=\"1bqfome\" data-start=\"453\" data-end=\"530\"\u003e\n\u003cstrong data-start=\"455\" data-end=\"479\"\u003eNear-zero pump noise\u003c\/strong\u003e thanks to external billet surge vessel isolation\u003c\/li\u003e\n\u003cli data-section-id=\"1a35omd\" data-start=\"531\" data-end=\"620\"\u003e\n\u003cstrong data-start=\"533\" data-end=\"571\"\u003eBuilt-in check valve (Walbro pump)\u003c\/strong\u003e for improved fuel control and system stability\u003c\/li\u003e\n\u003cli data-section-id=\"lyiljj\" data-start=\"621\" data-end=\"703\"\u003e\n\u003cstrong data-start=\"623\" data-end=\"673\"\u003eComplete plug-and-play wiring harness included\u003c\/strong\u003e for simplified installation\u003c\/li\u003e\n\u003cli data-section-id=\"gkneu1\" data-start=\"704\" data-end=\"788\"\u003e\n\u003cstrong data-start=\"706\" data-end=\"736\"\u003eHidden installation design\u003c\/strong\u003e — fully concealed when viewed from the engine bay\u003c\/li\u003e\n\u003cli data-section-id=\"k4w8x5\" data-start=\"789\" data-end=\"885\"\u003e\n\u003cstrong data-start=\"791\" data-end=\"819\"\u003eUpgradeable architecture\u003c\/strong\u003e — can be converted to twin pump system if fuel demand increases\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"887\" data-end=\"890\"\u003e\n\u003ch3 data-section-id=\"1vl28he\" data-start=\"892\" data-end=\"918\"\u003eSystem Design Overview\u003c\/h3\u003e\n\u003cp data-start=\"919\" data-end=\"1082\"\u003eThis system replaces the limitations of in-tank fuel pickup designs with an \u003cstrong data-start=\"995\" data-end=\"1038\"\u003eexternally mounted anti-surge reservoir\u003c\/strong\u003e constructed from \u003cstrong data-start=\"1056\" data-end=\"1081\"\u003e6061 billet aluminium\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1084\" data-end=\"1159\"\u003eThe surge tank is positioned above the transmission cross member, allowing:\u003c\/p\u003e\n\u003cul data-start=\"1160\" data-end=\"1353\"\u003e\n\u003cli data-section-id=\"azdsd8\" data-start=\"1160\" data-end=\"1213\"\u003eConsistent fuel pickup under high lateral G-loads\u003c\/li\u003e\n\u003cli data-section-id=\"1almak5\" data-start=\"1214\" data-end=\"1295\"\u003eReduced risk of fuel starvation during track driving or aggressive street use\u003c\/li\u003e\n\u003cli data-section-id=\"a64jwq\" data-start=\"1296\" data-end=\"1353\"\u003eStable fuel pressure delivery even at low tank levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1355\" data-end=\"1527\"\u003eUnlike in-tank “surge-style” solutions, this setup physically separates surge management from the main tank, improving reliability in sustained high-performance conditions.\u003c\/p\u003e\n\u003chr data-start=\"1529\" data-end=\"1532\"\u003e\n\u003ch3 data-section-id=\"mhnnt8\" data-start=\"1534\" data-end=\"1556\"\u003eFueling Capability\u003c\/h3\u003e\n\u003cp data-start=\"1557\" data-end=\"1664\"\u003eThe single Walbro 460 configuration is designed to support high-output builds while maintaining simplicity:\u003c\/p\u003e\n\u003cul data-start=\"1666\" data-end=\"1932\"\u003e\n\u003cli data-section-id=\"m3fxn4\" data-start=\"1666\" data-end=\"1795\"\u003eSupports approximately \u003cstrong data-start=\"1691\" data-end=\"1744\"\u003eup to ~550 kW at the wheels (petrol applications)\u003c\/strong\u003e depending on supporting modifications and tuning\u003c\/li\u003e\n\u003cli data-section-id=\"h17pw7\" data-start=\"1796\" data-end=\"1861\"\u003eIdeal for \u003cstrong data-start=\"1808\" data-end=\"1859\"\u003emost street and fast-road Subaru WRX\/STI builds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12kg4g3\" data-start=\"1862\" data-end=\"1932\"\u003eDesigned for compatibility with modern fuels and tuning strategies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1934\" data-end=\"1937\"\u003e\n\u003ch3 data-section-id=\"ewpwcv\" data-start=\"1939\" data-end=\"1977\"\u003eInstallation \u0026amp; Configuration Notes\u003c\/h3\u003e\n\u003cul data-start=\"1978\" data-end=\"2220\"\u003e\n\u003cli data-section-id=\"p1gcvc\" data-start=\"1978\" data-end=\"2064\"\u003eSupplied as a \u003cstrong data-start=\"1994\" data-end=\"2025\"\u003ecomplete single-pump system\u003c\/strong\u003e (including lines and wiring harness)\u003c\/li\u003e\n\u003cli data-section-id=\"10hrpm4\" data-start=\"2065\" data-end=\"2134\"\u003eOnly minimal electrical work required (basic harness integration)\u003c\/li\u003e\n\u003cli data-section-id=\"1q2is59\" data-start=\"2135\" data-end=\"2220\"\u003eDesigned to remain \u003cstrong data-start=\"2156\" data-end=\"2218\"\u003eout of sight in the engine bay for a clean OEM+ appearance\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2222\" data-end=\"2225\"\u003e\n\u003ch3 data-section-id=\"1e6c5y6\" data-start=\"2227\" data-end=\"2250\"\u003eSystem Upgrade Path\u003c\/h3\u003e\n\u003cp data-start=\"2251\" data-end=\"2295\"\u003eThis platform is engineered for scalability:\u003c\/p\u003e\n\u003cul data-start=\"2297\" data-end=\"2633\"\u003e\n\u003cli data-section-id=\"gcgjtc\" data-start=\"2297\" data-end=\"2412\"\u003e\n\u003cstrong data-start=\"2299\" data-end=\"2337\"\u003eSingle pump system (this version):\u003c\/strong\u003e\u003cbr data-start=\"2337\" data-end=\"2340\"\u003eSimplified installation, supports the majority of performance builds\u003c\/li\u003e\n\u003cli data-section-id=\"184hb7h\" data-start=\"2414\" data-end=\"2633\"\u003e\n\u003cstrong data-start=\"2416\" data-end=\"2445\"\u003eTwin pump upgrade option:\u003c\/strong\u003e\u003cbr data-start=\"2445\" data-end=\"2448\"\u003eFor higher fuel demand applications (typically above ~550 kW), system can be expanded to dual Walbro 460 pumps with external fuel pressure regulation and -6 AN plumbing requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Process West","offers":[{"title":"Default Title","offer_id":45333479096363,"sku":"PRW-PWFS04","price":1776.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/1817\/9115\/files\/process-west-PRW-PWFS04-1.jpg?v=1789173567","url":"https:\/\/www.red5garage.com\/products\/process-west-double-w460-pump-anti-surge-fuel-system-subaru-wrx-sti-2008-2014","provider":"Red 5 Garage","version":"1.0","type":"link"}