Headers need retune? - Power Hungry Performance Forum

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Headers need retune?

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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.

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Mon, May 31st, 2010, 11:00 AM

eagle1highlander eagle1highlander is offline

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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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