yea you will see an increase, but as stated programmers mess with very little in the motor. imagine what a true tune will do for you. i bet it gets right around 300 with the change over to tune.
yea you will see an increase, but as stated programmers mess with very little in the motor. imagine what a true tune will do for you. i bet it gets right around 300 with the change over to tune.
2005 GMC RST *sold
2006 Silverado SS with nawz
well i guess i should sell it the only problem is i cant take the tune off of it right now cause i broke the programer so i wasnt sure if i had a custom tune would i have to buy a new programer and uninstall the tune thats on it right now
2006 silverado crew cab z71 6.0
Nelson Tuned
LT
285/75/17 bfg mud terrain km/2
TSP 220
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