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Originally Posted by H3.007
F5 - Are these tunes legit? If so, why wouldn't GM be offering them? I just happened to see a show the other day where an ASE Tech Inspector witnessed an HP test at GM. It was really cool how they did it... Glad to know that such tech claims are third party regulated (kinda like a UL for the auto industry and no offense to GM). This keeps everyone honest...  |
I know you didn't ask me, but I feel the tunes are legit. I just loaded Alvin's tune (from PCMforLess) and the idle was very smooth and the low end torque boost is impressive (it was much better than my custom tune). Throttle is very responsive down low.