Free Cross Rails
For a limited time get a set of Westin Cross Bars with the purchase of a Westin EXP truck cap, a $333 value FREE!
*Add Cap to your cart to see the free items
Maximize the capability of your 2500HD or 3500HD with the Westin EXP Truck Cap—engineered for strength, utility, and premium fitment. Designed specifically for 2020–2024 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models with the 6.10′ bed, the EXP delivers rugged performance, expanded storage, and all-weather durability for job sites, overland builds, and long-distance gear transport.
Constructed from a modular 5-piece extruded aluminum shell, the EXP combines lightweight strength with modern styling. Gull-wing side doors offer fast bed access, while the optional sliding front glass window allows seamless cab-to-bed visibility and ventilation. The integrated T-slot roof-rail system supports rooftop tents, cargo racks, recovery gear, and professional equipment with ease.
Whether you're building an overland-ready rig, hauling professional equipment, or protecting valuable cargo, the Westin EXP Truck Cap delivers a seamless blend of strength, functionality, and versatility. With its modular aluminum construction, premium access points, and rooftop compatibility, the EXP transforms your HD truck into a fully capable, all-terrain cargo platform.
Designed with a 5-panel double-walled aluminum construction, the EXP Topper strikes the perfect balance between strength and weight reduction, setting it apart from the rest
