Thread: Headers need retune?
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Old Mon, May 31st, 2010, 10:00 AM
eagle1highlander eagle1highlander is offline
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Default Headers need retune?
Have 2008 F-150 FX4 with 5.4.Had you guys upgrade my edge to gryphon with pegasis program.Want to add headers to truck.Do I need to have programer retuned?

eagle1highlander
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