Exhaust drone and rasp difference
04-05-2007, 11:00 PM
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Exhaust rasp I have heard exhaust rasp is caused by unequal length y-pipes but I am not sure if that is what causes the crackling sound out the exhaust when letting off the gas pedal.It is more noticiable with some cat-backs but not others.
Last edited by lovescamaros28; 04-05-2007 at 11:16 PM.
