Thread: 05 -07 GT Exhaust Systems
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Old 02-14-2006, 01:45 AM   #8
F00Mustang
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Join Date: Aug 2005
Location: New Orleans, La
Posts: 732
Default RE: 05/06 GT Exhaust Systems
It may, depending on the tune. To be safe and get the most out of your upgrades, you need to re-tune.
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