Installation of Westin Signature 3 inch Nerf Step Bars on 2014-15 GM Sierra/Silverado

Westin Automotive installation of Signature 3 Inch Round Step Bar for 2014 and 2015 GMC Sierra and Chevy Silverado 1500 Crew Cab. This application is also for 2015 and Up GMC Sierra and Chevy Silverado 2500/3500 HD, excludes diesel models. Part Number 25-3725 (black galvanized) or 25-3720 (chrome mild steel).