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  1. PCM Tuning / Dyno Results
    So I have a 2009 G8 Gt and the only other mod I have is a Roto-fab CAI. I was told by SLP directly that their diablo is hands down the best tune for the G8 Gt. I figured well they built the fire hawk G8 GT so they must know. I purchased it from them, installed it and see some nice changes in...
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