Quote:
Originally Posted by LoSt180
- The factory fuel return line has a brass restrictor "pill" in rubber hose right after the FPR. From what I can tell, it helps keep fuel pressure stable with the stock FPR. Debatable if needed on adjustable FPRs. Might be worth looking into more if you're getting fluctuations.
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never heard of this before. S13 and S14?
but then again, if you run an aftermarket unit with a nipple fitting, youre gonna wind up replacing the fuel hose anyway... so im guessing this is why ive never run into the problem.
05-17-2022, 12:41 PM
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