I have cut 620's, Shelby drop, 1-1/8" fr/ 3/4" rear bars with poly bushings, 4-1/2 leaf reverse eye rear springs with Del-A-Lum bushings, KYB's, a 6 point roll bar, subframe connectors, and a Monte Carlo bar. My car handles like on rails but the ride IMHO is not all that harsh even on 17's. But...