Are you annoyed with that 2800 rpm stumble you get while driving your 2008+ Subaru STI? A simple tune by itself will not solve the issue. Wondering what you can do to improve it? Enter the Neetronics Fuel Pressure Regulator Kit.
Our Fuel Pressure Regulator Kit is a plug-and-play solution that is simple and easy to install. It requires no cutting of factory hoses. This kit also includes the fuel pressure regulator manifold vacuum relocation kit. Attention: Custom tuning required.
Subaru Fuel Pressure Regulator Kit STI 2008-2021