{"product_id":"process-west-dual-fuel-rail-billet-tumbler-delete-kit-subaru-wrx-sti-2001-2007-sti-2008-2021","title":"Process West Dual Fuel Rail Billet Tumbler Delete Kit - Subaru WRX\/STI 2001-2007 \u0026 STI 2008-2021","description":"\u003ch2\u003eProcess West Dual Fuel Rail Billet Tumbler Delete Kit - Subaru WRX\/STI 2001-2007 \u0026amp; STI 2008-2021\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Subaru WRX\/STI 2001-2007 \u0026amp; STI 2008-2021\u003cbr\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Engine Components\u003c\/p\u003e\n\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\n\u003cp\u003eThis bolt-on, integrated performance upgrade simultaneously solves the two most significant bottlenecks in the EJ-series intake system: air restriction and fuel supply.\u003c\/p\u003e\n\u003cp\u003eThis Dual Fuel Rail Tumbler Delete Kit, CNC machined from billet aluminium, replaces the restrictive factory assembly with precision-machined billet components, providing maximum airflow and guaranteed fuel delivery for high-boost applications.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eBillet Tumbler Delete\u003c\/h3\u003e\n\u003cp\u003eThe factory Tumble Generator Valves (TGV, often referred to as tumblers) use butterfly valves in the intake runners that create severe restriction, especially at mid to high RPMs.\u003c\/p\u003e\n\u003cp\u003eOur Billet Tumbler Delete Kit eliminates this bottleneck entirely.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eUnrestricted Performance\u003c\/h3\u003e\n\u003cp\u003eCNC machined from Billet Aluminium to create a high-flow, smooth internal runner.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eSignificant Power Gains\u003c\/h3\u003e\n\u003cp\u003eBy smoothing the path of air into the cylinder heads, you remove a major choke point, resulting in measurable increases in horsepower and torque across the entire rev range.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003ePrecision Design\u003c\/h3\u003e\n\u003cp\u003eFeatures a smooth, radiused inlet and outlet profile, ensuring maximum laminar flow into the cylinder head ports.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eDual Fuel Rails\u003c\/h3\u003e\n\u003cp\u003eFor serious power builders utilising upgraded turbos, injectors, and E85 or race fuels, the factory single-feed fuel system is inadequate. Our integrated Dual Fuel Rails solve fueling inconsistencies under high load:\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eConsistent Fuel Pressure\u003c\/h3\u003e\n\u003cp\u003eThe dual-rail design supports larger injectors and provides a reliable, uninterrupted flow of fuel, preventing fuel starvation issues common in highly tuned applications.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eHigh-Volume Ready\u003c\/h3\u003e\n\u003cp\u003eEssential for high-horsepower builds, ensuring your engine receives the precise volume of fuel required when running increased boost or alternative fuels (E85).\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eIntegrated Design\u003c\/h3\u003e\n\u003cp\u003eSeamlessly engineered into the TGV Delete assembly, reducing complexity and potential failure points compared to separate rail and spacer kits.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003eSubaru WRX \u0026amp; STI (EJ20\/EJ25) 2001–2007 (GD Chassis)\u003cbr\u003eSubaru STI (EJ25) 2008–2021 (GR\/GV\/VA Chassis)\u003c\/p\u003e\n\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSilver \u003cem\u003e(PWTD04T)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlack \u003cem\u003e(PWTD04TB)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubaru WRX \/ STI GD 2001–2007\u003c\/li\u003e\n\u003cli\u003eSubaru WRX STI GRB\/GRF 2008–2014\u003c\/li\u003e\n\u003cli\u003eSubaru WRX STI VA 2015–2021\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNot sure if this suits your vehicle? Email \u003ca href=\"mailto:sales@coore.com.au\"\u003esales@coore.com.au\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Process West","offers":[{"title":"Silver","offer_id":68139441127728,"sku":"PWTD04T","price":1445.0,"currency_code":"AUD","in_stock":true},{"title":"Black","offer_id":68139441160496,"sku":"PWTD04TB","price":1520.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/3156\/2544\/files\/1_028dcb78-1235-417f-b280-73a1edfa7c5a.png?v=1792541377","url":"https:\/\/coore.com.au\/products\/process-west-dual-fuel-rail-billet-tumbler-delete-kit-subaru-wrx-sti-2001-2007-sti-2008-2021","provider":"Coore | Performance \u0026 Aftermarket","version":"1.0","type":"link"}