Some gears for sure! 3.73's are perfect for the trans and weight combo you have. Add a Nitrous kit and exhaust and you'll have enough power to hold you over for a little while. I had an 03 GT running 13.4 on nothing but 3.73 gears/offroad X pipe, catback exhaust and nittos.
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Life moves pretty fast. If you don't stop and look around once in awhile, you could miss it.
-- Ferris Bueller --