Tonneau Cover Elite LX 2019 (New Body Style) 2023 GMC Sierra 1500 6 Foot 7 Inch Bed Std/Ext/Crew With MultiPro Tailgate Without CarbonPro Truck Bed Silver Ice UnderCover mzOv1~ It includes our Polyphonic Harmonizer

It includes our Polyphonic Harmonizer technology and has a functioning valve that works with the factory actuator to change the exhaust volume

Liners will not accommodate a manual transfer case (4x4) shifter

Details: Cab Size: Double Cab

and the tail lights on your 996

Two pinion design

Tonneau Cover Elite LX 2019 (New Body Style) 2023 GMC Sierra 1500 6 Foot 7 Inch Bed Std/Ext/Crew With MultiPro Tailgate Without CarbonPro Truck Bed Silver Ice UnderCover mzOv1~ It includes our Polyphonic HarmonizerThe Elite LX is the newest cover from UnderCover. It comes standard with all the features from the UnderCover Elite. Weve added a premium carpet lined underside, topped with flawless paint to match to make the LX the sharpest tonneau on the market. Engineered to provide a precise fit and finish to your truck bed. Features and Benefits: Custom Engineered For A Precise Fit Full Perimeter Seal Lightweight ABS Composite Construction Premium Carpet Lined