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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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I must have not been clear!
NOT by changing any parts but buy tweaking the 87 tow program to get the most out of it? Without overloading the engine! Has anyone adjusted their settings that resulted in a substantial improvement?
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Samie. 04 STX- Magnaflow Exhaust, Roush Intake, 2" leveling kit, 33" Nitto Dune Grapplers, HID's, Gryphon (Waiting on 87/93 Tunes) |
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