Go with the 3.73 gears...4.10 would just be ridiculous with the Auto. I am running 3.73 gears and it is hard to get traction. When I do catch, It pulls hard at any speed.
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2012 Mustang GT Automatic Grabber Blue
Air Raid CAI, BBR Off Road X-Pipe, GT500 mufflers,
3.73 gears, Kevin Dunn Tune
Hybrid Mode
