need some advice on 2 questions?
Jan 3, 2006 | 01:09 PM
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need some advice on 2 questions?
Sup guys just here having a important question, I just upgraded the k and n and was wondering do i have to retune my truck again. Also another question, do you have to keep retuning the truck everytime you put some performance on the truck? if anyone knows, need some advice thx.
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