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Just installed a Ptuning header I picked up used locally, and I'm getting a bit of an airy/fluttery/ticky type noise around 3k rpm on acceleration. Can't replicate it without load. It sounds like it's coming form the front of the car (though I know that can be tricky to judge).
The header was installed with new oem gaskets all around on cleaned mating surfaces, and everything was torqued to spec. The rest of the exhaust is stock.
Don't see an obvious leak (no soot). Is this normal for this header? Am I just hearing exhaust valves tick or something, or is it leaking somewhere?
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2017 86 set up for CS STX autocross
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