Finally got my 3.73 gears in the Mustang 373 Gears Mustang
25mph-105mph test - 2003 Mustang GT with superchip,3.73 gears, and exhaust. 3.73 Ford Mustang Gear Kits | AmericanMuscle Cammed 5.3/NV3500 Silverado- 3:08 vs 4:10 Gears. For drag racing and rowing the gears on the street 3.73 gears are awesome. For lots of highway use I would opt for 3.31 gears. Mustang GT Stock Gears vs. 4.10 Gears Accelleration ...