Needing an FPR that can be installed inline for my turbo bike project. I brought an volkswagon/audi interegrated filter and fpr for around £20. It is 4.0 bar. Inlet and return on one end and outlet on the other end. However it doesn't have takeoff for vacuum/boost reference. Is this ok? I presume with 4.0 bar pressure and 1 bar of boost the injectors would still see 3 bar.
It also has another pipe with a blanked off end which I thought strange but maybe it could be opened and used for reference. Pic included.
VAG intergrated filter/FPR
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