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So I've installed my catless UEL and am almost done with the Delicious tune revisions.
I've noticed a very obvious intake-esque sound under any close to moderate load. I don't believe I have any leaks that I can find at this point. It sounds like air is getting sucked in, not necessarily leaked out. Is this a known sound? Any ideas as to what causes it?
Setup: 2017 LH-drive MT BRZ, Catless ti-coated UEL, Stock FP/OP/CBE. Grimmspeed gaskets on motor mounts, and a metal Vibrant gasket (not the one included with the JDL UEL) between the headers and OP.
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