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

Reduce the common 2,800 rpm stumble on a 20082021 Subaru STI with COBB Tunings fuel pressure regulator for the COBB fuel rail kit. This plug-and-play solution requires no cutting of factory hoses, supports multi-fuel use, and includes the manifold reference relocation kit; custom tuning may be required for non-Stage 3 OTS setups.

Fits 20082014 Impreza STI hatch and sedan models and 20152021 WRX STI sedan models (USDM, manual)
OEM Subaru fuel pressure regulator
Plug-and-play with COBB fuel rails and lines
Ethanol and flex-fuel compatible
Sheathing for abrasion resistance
Custom tuning required for non-Stage 3 OTS maps
Not legal for sale or use in California on any emissions-controlled motor vehicle

References: https://www.cobbtuning.com/products/fuel-system/subaru-fuel-pressure-regulator-kit-sti-2008-2021/