muffler or no muffler
#1
muffler or no muffler
i have a 99 powerstroke and i am wanting to get the most power and fuel miles i can and i was told if i cut my muffler off i would gain power and fuel miles because it would let more air through and cause less black smoke which means more fuel miles, true or not true?
#2
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#5
i drive a 2000 powerstroke with 5 in exhaust and started off with the muffler, and just recetly took the muffler off.... i didnt notice a difference in the smoke or the millage, it is a noticable difference in sound. and for that matter, a muffler has nothing to do with why a truck smokes, so i dnt see why someone would say it gave you more black smoke