{"product_id":"cobb-fuel-pressure-regulator-for-use-w-cobb-fuel-rail-kit-2008-2021-sti","title":"COBB Fuel Pressure Regulator Kit for Fuel Rail | Subaru WRX STI (08-21) (315250)","description":"\u003ch1\u003eCOBB Fuel Pressure Regulator\u003c\/h1\u003e\n\u003ch2\u003eFitment: 2008-2021 Subaru WRX STI\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 315250\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe COBB Fuel Pressure Regulator is a precision-engineered component designed to work in conjunction with COBB Fuel Rail Kits for the 2008-2021 Subaru WRX STI. This regulator addresses the common 2800 rpm stumble experienced by many STI owners by providing accurate and consistent fuel pressure control. It is ideal for enthusiasts seeking to improve throttle response, engine smoothness, and overall drivability without extensive modifications.\u003c\/p\u003e\n\u003cp\u003eBy relocating the fuel pressure regulator manifold reference, this kit ensures more stable fuel delivery under varying engine loads. It is designed for seamless integration with existing COBB Fuel Rail Kits and requires no cutting of factory hoses, making installation cleaner and more straightforward. This upgrade supports a more responsive and enjoyable driving experience, especially for those looking to optimize their vehicle’s fuel system performance.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned to enhance fuel system precision and throttle response, the COBB Fuel Pressure Regulator offers the following key features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecise fuel pressure control to eliminate the 2800 rpm stumble common in WRX STI models\u003c\/li\u003e\n\u003cli\u003eManifold reference relocation for improved fuel delivery stability\u003c\/li\u003e\n\u003cli\u003eCompatible with COBB Fuel Rail Kits for seamless integration\u003c\/li\u003e\n\u003cli\u003eNo cutting or permanent modification of factory hoses required\u003c\/li\u003e\n\u003cli\u003eSupports smoother engine operation and enhanced drivability\u003c\/li\u003e\n\u003cli\u003eDurable construction designed for reliable performance under demanding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis fuel pressure regulator is specifically designed for the 2008-2021 Subaru WRX STI and fits directly with COBB Fuel Rail Kits. Installation is straightforward, requiring no cutting of factory hoses, which helps maintain the integrity of the original fuel system. Fitment should be verified against your vehicle and part number to ensure compatibility.\u003c\/p\u003e","brand":"COBB","offers":[{"title":"Default Title","offer_id":51602182734111,"sku":"315250","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/cobb-fuel-pressure-regulator-for-fuel-rail-kit-2008-2021-sti-315250-630960.jpg?v=1770429944","url":"https:\/\/shop.wheelflip.com\/products\/cobb-fuel-pressure-regulator-for-use-w-cobb-fuel-rail-kit-2008-2021-sti","provider":"WheelFlip","version":"1.0","type":"link"}