holy snikies 6 inch exhaust question?
i put 5 inch into a six inch single stack.yes i said six inch.is there such a thing as not enough back pressure on a 12 valve.it does not seem to be as loud and the egts are deffinetly lower.just wondering.thank you
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i now have 1995 2wd5speed,,,pyroand boost gauges ,kdp fixed , 4 inch turbo back,no muffler 6 inch stack bhaf remember rust never sleeps ,!!!love that cummins.
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