exhaust noise
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10-14-2010 | 05:38 PM
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exhaust noise
I just bought a 2011 1/2 ton z71 5.3 liter bla bla bla . Question is I installed a aftermarket muffler when the motor drops down to the V -4 i get a flat tire sound coming from the exhaust . Is there anyway to disable the V-4? thanks Rob
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