I make over 400rwhp/500rwtq and have nothing but rear suspension upgrades(UCA/LCA, shocks, spherical bushings). No Tubular K/A-arms, no front sway, no shock tower brace(one of the 1st things to go) etc etc. Hell I ran an 11.39 with a 1.61 60' on drag radials on a 100% bone stock 94 suspension...