Sub-Frame Connectors are manufactured with super strong boxed steel that will help give your uni-body Mustang the handling and feel of a full-frame chassis. Kits are available with seat mounting brackets for additional strength and safety. All BBK sub-frame connectors feature die-stamped brackets and hardware for a direct bolt-on application or they can be welded in place for maximum strength. All connectors are fully sealed and powder coated charcoal grey metallic for Great looks and a quality finish. Made in the U.S.A.