SUBARU FUEL PRESSURE REGULATOR KIT STI 2008-2020
SUBARU FUEL PRESSURE REGULATOR KIT STI 2008-2020 is backordered and will ship as soon as it is back in stock.
Short Description
Short Description
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Delivery and Shipping
Delivery and Shipping
Domestic orders typically arrive within 3-7 business days, while international orders may take 7-14 business days. Please note that additional time may be required for items that are drop shipped or back-ordered.
Price Match Guarantee
Price Match Guarantee
We strive to offer competitive pricing and will price match qualifying competitors under certain conditions. Learn more here
Description
Description
The COBB Fuel Pressure Regulator Kit for the 2008ā2020 Subaru STI is a plug-and-play solution designed to address one of the most common drivability issues on this platformāthe 2800 RPM stumble. By stabilizing fuel pressure, this kit helps smooth out inconsistent fueling and provides a reliable foundation for both daily driving and high-performance builds.
Installation is straightforward with no cutting of factory hoses required. The kit is multi-fuel compatible, making it ideal for vehicles running pump gas, race fuel, or flex-fuel blends. Included in the package are high-quality components such as an OEM Subaru fuel regulator, Dorman quick-connect fuel fittings, and protective sheathing to guard against abrasion. A fuel pressure regulator manifold reference relocation kit is also included to ensure clean integration.
This kit is compatible with COBB Stage 3 Off-The-Shelf maps and requires custom tuning for other setups. It is strongly recommended to work with a qualified COBB Protuner to unlock the full benefits of the upgrade.

