Rain caps are simple but effective: these hinged metal flaps close by default when the truck is off. As the engine revs, the exhaust gases push the cap open, allowing fumes to escape freely.

INDIANAPOLIS. Several new pickup truck cap offerings along with service bodies were introduced this week at the NTEA’s Work Truck Show here by Knapheide Manufacturing Co. Knapheide’s KnapKap ...

Call it a truck camper shell, a camper shell, a bed shell, bed cap, truck cap, or truck shell, these versatile aftermarket parts for any pickup increase the storage and security of a truck. Our ...