I bet the custom tuning would make more of a difference in something small like a mustang then it would in a truck as far as overall performance
kind of makes me want to get an old mustang and fix it up (which is a dream of mine anyway)
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40 series Flowmasters, K@N CAI, Jet MAF, Troyer Under Drive Pulleys, Stainless Works Longtube headers/Hi Flow CATS w/X-pipe, Ram Air Hood G-Force, SCT X3 programmer with custom tunes