Quote:
Originally Posted by morpheous71
Well I went and did it. Put on a flowtech performance muffler onto the jeep and it seems to have dropped the mpg's by 2. Still learning the ropes of the scanguage and new driving techniques, but I swear that thing has done the opposite of what I wanted, I'll leave it on for now until I get more data and work through some other mods but come the spring I may put the old one back on for some accurate testing of both the muff's.
Frustrated!
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hang out on Jeep forums, CAI's, high flow filters, mufflers, all that stuff that is supposed to increase power generally screws with your mileage in a negative way.
don't buy the Hype more horsepower doesn't just appear, it comes from somewhere, generally your gas tank and wallet.