Instagram Photos AMS Fuel Pressure Regulator kitWe feel that anyone with a 2008+ STi should plan to install an aftermarket fuel… Read more
Instagram Photos AMS Fuel Pressure Regulator KitAMS Performance fuel pressure regulator kit for the 2008+ STi, this solves the hesitation issue… Read more
Instagram Photos Problematic Fuel Pressure RegulatorHere’s the problem OEM fuel pressure regulator for those interested. Read more
