One of the most talked about is overall bending. The stock Dana 44 axle tubes are 2.50-inch OD with a wall thickness of 0.25 inches. The entire axle bends with the outer ends going up to form a smile.

Dana offers the Ultimate Dana 44 AdvanTek for the Jeep Wrangler JL. The Ultimate Dana 44 AdvanTek axle is a bolt-in replacement upgrade available in 4.56, 4.88, 5.13, and 5.38 ratios; SAE 4340 ...