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Originally Posted by 03AV8R
I was a few seconds away from doing this myself. Then last Year Mike Dez Racing out of Mass. tried tuning in a recently ported, polished, extrude honed Mach1 intake & couldnt find a nickel more of power over what they already had with the spacer & exhaust & CAI etc.. They got the PHP $1200 deal & did some other "work" while they had it all apart.. After it was all said & done they couldnt make anymore power than what they had before..
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That's weird, but according to PHP's description of their intake job you SHOULD get 18-25 HP, but even more importantly, and beneficial (in my opinion) is the ability to hit your powerband 500 RPM's sooner. Are the dyno results showing this? That's my question.