Stereo system, but if we're talking mechanical I would say my 8.8 rear axle.
I'd say that teraflex monster track bar. Zero wobble with heavier tires too.. First time I've almost gotten a speeding ticket in over a year! Zoom zoom :)
Steer Smarts drag link, tie rod, and track bar
Love steer smart
The RockJock Antirock will always be in my top five.
If you don’t have AntiRock you are not right
Gears and lockers on the JKU..
The one I like the most is the Savvy Midarm suspension setup.