Lmackattack Posted August 2, 2011 Share Posted August 2, 2011 Well I have put about 1000 miles in the truck with my 5" straight stacks..have to say that its not bad in the cab with all the sound deading I installed. The fire wall and floor let most of the noise in and I think some more improvement can be made mainly around the shift boots and steering shaft boot. I can't really feel the dab vibrate like I did before I had installed the sheets of dynamat. Now I just need some A/C in the cab!!! Quote Link to comment Share on other sites More sharing options...
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