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Mystic Supercharged Cobra
from 381 rwhp to a whopping...

555 RWHP

My old dyno curve with just a pulley, CAI, and throttle body....

Best Bang for the Buck Recommendations:
Motoblue Cold Air Intake Kit (~20hp)
4-6lb pulley kit on stock supercharger (~25hp)
AEM Wide-band Air/Fuel Ratio gauge

Other dyno-tested results (but more costly, and not necessary until over 550hp):
Motoblue "Big Oval" Throttle Body (~5hp)

Contact David at for more information...