This Tubular subframe installs with no floor modifications, and there is no ground clearence lost. Built with heavy duty 1.625 roll cage tubing, MIG welded with laser cut gusset plates. These subframe connectors weld in to the rear frame rail, and inter-lock with the rear body mounts of the front clip, all of the hardware is included. Great for all applications: road racing, aggressive street, drag, ext.