The COBB Subaru Fuel Pressure Regulator Kit is a plug-and-play solution that is simple to install. It requires no cutting of factory hoses and is multi-fuel compatible. This kit includes the fuel pressure regulator manifold reference relocation kit and is designed specifically to be used with COBB Fuel Rails and Lines.
Are you annoyed with that 2800 rpm stumble you get while driving your 2008+ Subaru STI? Wish you could easily fix it? COBB has the answer; the COBB Subaru 08+ STI Fuel Pressure Regulator Kit. A plug-and-play solution that is simple and easy to install. It requires no cutting of factory hoses and is multi-fuel compatible. Compatible with COBB Stage 3 OTS Maps, custom tuning will be required for other setups.
Subaru Fuel Pressure Regulator for Fuel Rail Kit STI 2008-2018