Metra 107-GM4B Dash Kit For Pioneer DMH-C2550NEX & DMH-C2500NEX Radios 
Designed specifically for the Pioneer DMH-C2550NEX and DMH-C2500NEX radios
The 107-GM4B plastic TurboKit is designed to fit 2019-up Chevrolet Silverado and GMC Sierra 1500 models and 2020-up Silverado and Sierra 2500 and 3500 models. It includes a blank out plate to replace the factory radio control buttons.
Installation Instructions for Part 107-GM4B.pdf
Product Sheet.pdf