Since many years ago www.4x4proyect.com import the famous Soft tops from Bestop Manufacturing, the part number, BST75146-15Side Bars fit on GMC Silverado/Sierra Crew Cab 1500, 2500, 3500 Crew Cab for years 2011 at 2018
The Powerboard® NX has proven Patented wireless technology that makes it a whole lot smarter, and a whole lot easier to install. But thats not the entire story. Its also the end result of several years worth of continuous improvement and testing of every single component, on every Powerboard® we make.
SMARTER: The same design as the original Powerboard®, but now using patented wi-fi technology that sends the door signals to the controller.
EASIER: Installation just got quicker, and far easier: no more removing door panels, no tapping into the factory color-coded door wires.
SIMPLER: Attachment of Bestops exclusive door transmitters solves all the door open-close signaling and multiple connections.