How many HP Tuners Credits to tune 2008 Grand Prix GXP, and where to buy?
#1
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How many HP Tuners Credits to tune 2008 Grand Prix GXP, and where to buy?
All I want to do to my Grand Prix is tune out the rear O2 sensor due to it throwing a check engine code, and possibly mess with the shift points and take away the fuel shut-off at 160MPH (if that's an option).
How many Credits will this take with HP Tuners?
Also, where can I look online to buy them? I've looked at their site and couldn't find where I could buy just credits and I've looked on Ebay and no luck there either.
Any help would be greatly appreciated.
Thanks!
How many Credits will this take with HP Tuners?
Also, where can I look online to buy them? I've looked at their site and couldn't find where I could buy just credits and I've looked on Ebay and no luck there either.
Any help would be greatly appreciated.
Thanks!
#2
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