Aeromotive Regulator, X1 Adjustable, 35-75psi, .188 Valve, (2)-08inlets, -08 return - 13303 TD05H-20G 5i or JDM long runner

5i or JDM long runner (TGV less) manifold but can't run aftermarket top feed fuel rails made for short runner manifolds

The adapter offers a couple nice features to help installation and prevent problems

555" Aluminum Hub Drill Bit Size (actual dim

The backing plate is anodized black to match

The SF Airbox turns your SF Intake on your 2015+ STI into a cold air intake with OEM looks and fit

Aeromotive Regulator, X1 Adjustable, 35-75psi, .188 Valve, (2)-08inlets, -08 return - 13303 TD05H-20G 5i or JDM long runnerEFI return style Regulator for Return Style Systems Base fuel pressure adjustable from 35 75 PSI. Vacuum Boost reference capability. 1: 1 rising rate for forced induction engines. Gasoline, ethanol, alcohol and diesel compatible. 2 ORB 08 inlet outlet ports on the sides. 1 ORB 08 return port on the bottom port. 1 1 8 NPT Gauge Port with plug. 1 16 NPT Boost Port with 5 32 hose barb. Compatible with X1 High Flow EFI Conversion kit. Compatible with X1