Aeromotive Ultra High Flow Fuel Pressure Regulator (13113) vendor_GReddy you'll also need the GrimmSpeed

you'll also need the GrimmSpeed Subaru Stock DP to Aftermarket 3 in

Can Height - 7

servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust

The Whiteline Positive Shift Kit is great part to add to your STI at the same time you upgrade your transmission mount

well-performing product at a price that is hard to pass up

Aeromotive Ultra High Flow Fuel Pressure Regulator (13113) vendor_GReddy you'll also need the GrimmSpeedPart #: 13113 Ultra High Flow EFI Regulator, adjustable from 40 100 PSI. Engineered for our Belt Drive and Hex Drive Fuel Pumps, the Belt Drive EFI Regulator is suitable for engines making up to 4,000 HP on gasoline and is compatible with gasoline and methanol. Perfect for any mechanically driven EFI fuel pump developing over 200 GPH at EFI pressure. Base pressure adjustable from 40 100 PSI. References Vacuum Boost on a 1: 1 ratio. Includes two boost