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Power Strokes
6.7 Aftermarket
Mpg
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[QUOTE="ChitownPS, post: 1500792, member: 24168"] So I have had my truck ******d for over a year now and the best I can get is 13mpg city driving. It has h&s mini max, egr ******, proflow 4" w/muffler and NL stage 2 intake. Do you guys think having the muffler is killing fuel Mileage? What kind of mpg are you guys seeing? I'm pretty much in performance mode all the time Sent from my SM-G955U using Tapatalk [/QUOTE]
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