The effectiveness of this equipment is directly related to the manner in which it is installed, used, and/or maintained. Proper installation, use and maintenance is solely the responsibility of the installer/user, and will not be assumed by Billet4x4. Additional Details ------------------------------ Product description: The effectiveness of this equipment is directly related to the manner in which it is installed, used, and/or maintained. Proper installation, use and maintenance is solely the responsibility of the installer/user, and will not be assumed by Billet4x4.