Quote:
Originally Posted by choonga
oh... and does/had anyone know/had a dB test done on it?!
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Look at the 6th pic down:
HKS HI-POWER exhaust installed and review
Those resonators are tuned to emlimnate the resonance between 3k and 4500k RPM where the VQ naturally has some drone. I think that post has some vids also. Hope that helps.