06-14-2012, 09:20 AM | #1 |
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Join Date: Dec 2004
Location: Fort Mill, SC
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Will Harlee 2011 GT Mail Tune vs Pro Dyno Tune Results
Mail Order Tune or a Custom Pro Dyno Tune? Maybe this will change your mind.
Will Harlee's 2011 GT has a UPR O/R X-Pipe and came to us with a mail order tune that was good for 385HP and 382TQ. Our Pro Dyno Tune was for 417HP and 406TQ! Plus A/F Rations were off! Mind made up yet?
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