Quote:
Originally Posted by asht
Do you mean open dump valve or an external waste fat that opens out under the car?
I don’t mind open dump valves. Had an HKS SSQV as well on my S13 with a Z32 Apexi Airfilter that would make a racket as well.
The HKS used to KISS before going Pssssssshhhhh
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open wastegates under the car.