Originally Posted by GregInAtl
Pipe notch is a piece of a pipe cut in half and welded in the frame where a 1/2 pipe section is removed. Find the e-bay ram notch kit.. its all you need. I used McGaughys notch when I did 4/6" and have no regrets.
couldnt explain it better myself.
i lowered mine 6.5 inches by flippin the axle and removing 2 leafs. i run air shocks and only had to do a pipe notch. everything was free and to me thats the best way to go.