| Year | Make | Model |
|---|---|---|
| 2008 - 2014 | Subaru | Impreza |
| 2008 - 2014 | Subaru | Impreza WRX STI GR Sedan |
| 2014 - 2021 | Subaru | WRX STI |
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COBB Fuel Pressure Regulator Kit for Fuel Rail | Subaru WRX STI (08-21) (315250)
COBB Fuel Pressure Regulator Kit for Fuel Rail | Subaru WRX STI (08-21) (315250)
SKU:315250
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Regular price
$380.00 USD
Regular price
$380.00 USD
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$380.00 USD
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▶ Vehicle Fitments
The COBB Fuel Pressure Regulator for use with the COBB Fuel Rail Kit is a precision-engineered component designed to eliminate the common 2800 rpm stumble experienced in 2008–2021 Subaru WRX STI models. This regulator provides accurate fuel pressure control, enhancing throttle response and engine smoothness. It integrates seamlessly with COBB Fuel Rail Kits to improve overall drivability and performance. Featuring a fuel pressure regulator manifold reference relocation, the kit maintains factory hose integrity by requiring no cutting, ensuring a clean and reliable installation. This upgrade delivers consistent fuel delivery for a more responsive and enjoyable driving experience.
This fuel pressure regulator is specifically designed for 2008–2021 Subaru WRX STI vehicles, making it a direct fit for these models without modification. It is ideal for street and performance driving where throttle response and smooth power delivery are critical. Installation is straightforward and does not require cutting factory hoses, preserving the vehicle’s original fuel system integrity. The kit is intended to be used alongside COBB Fuel Rail Kits, ensuring compatibility and optimal performance. This regulator is a practical upgrade for enthusiasts seeking improved drivability and fuel system precision.
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Overview
Overview
COBB Fuel Pressure Regulator
Fitment: 2008-2021 Subaru WRX STI
Part #: 315250
Overview
The 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.
By 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.
Key Features
Designed to enhance fuel system precision and throttle response, the COBB Fuel Pressure Regulator offers the following key features:
- Precise fuel pressure control to eliminate the 2800 rpm stumble common in WRX STI models
- Manifold reference relocation for improved fuel delivery stability
- Compatible with COBB Fuel Rail Kits for seamless integration
- No cutting or permanent modification of factory hoses required
- Supports smoother engine operation and enhanced drivability
- Durable construction designed for reliable performance under demanding conditions
Installation & Fitment
This 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.
