I don't think it will affect the capabilities of your wrangler either way.
99 Sahara - 5 speed
12,500 lb Winch, synthetic winch line, Spyder Front Bumper, Aircraft Lights
Rancho 2.5" Suspension Lift, 1" body lift.
285/75/16 Guard Dogs, Level 8 Alloy Wheels
4.56 Gears, Dana 44 Rear, Spartan Locker in Front, Powertrax No-Slip locker in the rear