Hello and welcome. To start, I would seriously doubt that a chip alone would raise your hp by that much. I know that when you use a retune with a CAI (and even an axel back exhaust) you get about 30 +/- hp. K&N is advertsing as much as 53 hp on the GT500 with a tune. But, I am not an expert, and maybe there is technology out there to give you that much increase with just the chip. If so, it is probably just at the crank, not rwhp.
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