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    How much Estimated HorsepowER/1/4mile times?

    I have 03 GT, Just recently added these mods all at once new ,shortblock bored .20 over. stage II ported PI heads Comp Cams XE stage 2 cams. Mac long tube headers, dr. gas o/r x, flowmaster 2 chamber cat-back, mac cai, trick flow plenum, accufab 70mm thottlebody, 4.10 gears, the reason i ask is...