All I can say is mine or the several dozen I have made has ever broke. I doubt it would ever pull a weld. It's a street application, not running at 200mph around Indy. But to each their own.
For those that asked, on my sensor lowered Mark, 4.5" of clearance.
84 SVO Bright Amber Met, B234F 16V Volvo head conversion, RPE custom intake, header, FMIC, 38MM BOV, RPE modified diamond pistons, Crower rods, HE351 Holset, 44MM WG/dump, A1000/sumped tank, -8AN lines, 72lb injectors, 03 Cobra hydroboost, rack, brakes, IRS, Bilsteins/coil overs, MM lower control arms, RPE bumpsteer kit, T-tops
96 Mark VIII Black, black, Bullitts, Hub swapped/redrilled rear hubs, full RPE chassis brace kit, Maruader TC, Jmod
68 F100 Flareside CVIFS/M8IRS, 32V, T45, Cobra brakes, hydroboost, 3.55, 03 Cobra wheels
RAW Performance Engineering