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stelan · 07-09-2016, 08:57 AM

I believe that 2k - 3k resonance is what we call drone and it is annoying, I had 3 different exhausts and only one semi-drone-free is stock

07-09-2016, 08:57 AM	#5
stelan Registered User Join Date: Oct 2015 Location: Austin Posts: 395	I believe that 2k - 3k resonance is what we call drone and it is annoying, I had 3 different exhausts and only one semi-drone-free is stock