WEEEEEEEELLLLLLLLLLLLL,yes and no I made a few for projects BUT these things are heavy,I have measured frame flex before installing [stock frame not cut yet]and it measured .050 from 1 foot infront of the axle then after I cut and installe dmy notch[which dam near removes all the flat portion]the frame flex was less than .010It is spread over almost 3 foot area.The weight of the notch [one side] is almost 20 lbs.and is made from 1/4 plate.Install is just like anyother just working under the bed more since mine is longer.Stan
let me know if you are still interested.