Bigdogtrucker Posted April 21, 2012 Share Posted April 21, 2012 Does a non turbo 673 make more power with a straight pipe or muffler?My B75 has a 4" exhaust with a long full muffler,not too loud at all.Was thinking about getting a straight setup also,wondering what others run mostly??? Quote Link to comment Share on other sites More sharing options...
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