- Slide-2-SizeTM mounting system makes installation nearly effortless; simply slide bracket into place and weld,    for a custom fit every time. - Design optimized using CAD/CAE software combined with real-world test data.   - Manufactured of 1 x .065 tubing to maximize stiffness and strength while reducing weight.- TIG welded for superior strength- Considerably increases side impact safety.- Works with any aftermarket square or rectangular full-length subframe connectors.- Engineered for no loss of ground clearance and no need to relocate fuel or brake lines.- No floors to cut or interior to remove.- Pre-masked areas for welding require NO removal of powder coat before installation, for significant time savings!- Industrial grade powder coat for long life, to outlast the vehicle.- Not a kit, comes complete and ready to install. - A key component of Stifflers Fully Integrated Technology (FIT)SystemTM.