Cobb Tuning [08-21 STI] Fuel Pressure Regulator Kit

The COBB Tuning Subaru Fuel Pressure Regulator Kit (315200) is a plug-and-play solution for 2008-2021 Subaru STI models that helps address fuel pressure related drivability issues while supporting multi-fuel setups. It installs without cutting the factory hoses and includes the manifold reference relocation hardware; custom tuning is required for safe use outside supported OTS applications.

• Application: Direct-fit fuel pressure regulator kit for 2008-2021 Subaru STI.
• Features: OEM Subaru fuel regulator, Dorman quick-connect fuel fittings, abrasion-resistant sheathing, and flex-fuel compatibility.
• Installation: Plug-and-play installation with no cutting of factory hoses; includes fuel pressure regulator manifold reference relocation hardware.
• Tuning: Custom tuning is required for setups outside compatible Stage 3 OTS maps.
• Emissions: Not legal for sale or use in California on any emissions-controlled motor vehicle; CARB EO testing is ongoing.
• Warranty: COBB MFG Warranty.
• References: Official COBB product page.