Exhaust question
06 GT. Currently have stock exhaust. Sounds ok but still... I'm looking at this https://www.americanmuscle.com/pypes...ck-0510gt.html It's right at my budget. Do you think there would be significant decrease in fuel mileage? Thanks!
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josh662234
4.6L (1996-2004 Modular) Mustang
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Mar 26, 2007 10:07 PM



