hand held programmers?? how to?
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hand held programmers?? how to?
I have my intake modified on my c5 a4 and am shopping around for the Borla Stingers as we speak. My question is how hard are these Hypertech/Diablo predator systems to use effectively. Can they screw up your computer?? Do they actually add power and firm up the shifts???
Fooling with the computer just scares me for some reason.
Fooling with the computer just scares me for some reason.