Crutchfield is the only way I will go. You buy off of them, they throw in all of the wiring and mounting brackets to do install yourself, and include a step by step idiots guide to car audio installation. You can't go wrong, IMO. Oh, and the factory speakers, especially in the Sports, are trash.
Do not perform any mod for looks alone, mod for function. I promise you if you plan your mods to improve function, you will have a Jeep that "looks" the way you want.
2011 JK- 2.5" TF coil lift, Bilstein 5100 shocks, JKS Quicker Disco sway links, TF Adj Lower Control Arms, Auto w/ 5.13 Yukon gears, 35" KM2's on 15" MB 72's, Axle gusset kit, Body Armor rear bumper and tire carrier, SB M.O.D front bumper and sliders, s.P.O.D, 9000lb Quadratec Winch, Trimmed Flares, Crown Ext. brake lines