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Hypertech Max Energy Power Programmer 42000

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Old Jun 3, 2011 | 11:38 AM
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mud avenger's Avatar
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Default Hypertech Max Energy Power Programmer 42000

has anyone have one on their 4.2 f150 i have 1998 4.2 xlt and im wanting more power please tell mw how it is hp gain and if its worth buying!!!! thanks
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Old Mar 17, 2013 | 03:55 AM
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Nah, I use superchips on my 4.2l and edge on my 4.6l
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