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Originally Posted by ChevyHighPerformance
Just as an example, here is someone else's dyno plot from another website for an H3 with an airbox, exhaust, and tuning. This after these mods the BHP is about 253 hp. From what I was told, this is without port matching of the CAI, stock throttle body, no thermal shields, and no cold air ducting. Also, this might have been with the stock resonator.
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so, the extra 100HP is arbitrary?
What I see is a 12-13 point increase in HP which is less than a 10% increase at the rear wheels even.