Clean Injection Adjustable FPR for the EFI VW or Audi is what you need. Fuel pressure can be adjusted from 3-5 bar. No extra parts of modifications needed. The vacuum reference is 1:1 just as the factory FPR.
audi vw adjustable fuel pressure regulator 3-5 bar FPR 1.8t 2.7t golf jetta b5
audi vw adjustable fuel pressure regulator 3-5 bar FPR quattro 3.2L passat VR6
