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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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#1
Wed, December 16th, 2009, 12:04 AM
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Just a Question
so when i order my gryphon with the tunes i want is it best to not leave it on my truck until i get my custom tunes written for my mods or will it hurt anything bad if i leave it on it.
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2005 F-150 Fx4 5.4L 3V 2.5in leveling kit with 295s nitto all terrains with a S&B CAI, straight pipe true duals, and a bullydog gas downloader. 
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