So I finally purchased a COBB turbo inlet to go along with the HKS drop-in I already had installed.
So before the COBB inlet install I was able to hear the turbo spool and the diverter valve pretty loud and clear, and now after installing the COBB inlet I could barely hear the turbo spooling an the diverter valve now. Has anyone else experienced this? Could this be a probable. Also just an FYI, there no CEL.
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