99 6.5 exhaust

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10-14-2012, 08:03 PM

duckslayer31

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99 6.5 exhaust

if i make a homemade exhaust just by strait piping through the muffler not the cat will it hurt the fuel economy?

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10-14-2012, 08:20 PM

Mayhem

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I deleted the muffler on a 1993 and gained1.5 to 2 mpg easy and seemed to have a little more power and it wasnt all that loud either

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