DRIVER EXTREME PROCOMM 2017+ NEW CASCADIA P4 MOUNT WITH DX239 STUD (DRX-3552)

New Freightliner P4 Cascadia Mirror Base Mount

Forward-angle design with 40° adjustment for precise antenna positioning
Constructed from 5-gauge aircraft-quality aluminum for maximum strength and durability
Mounts on either driver or passenger side mirror base
Includes Driver Extreme’s exclusive Square-Lock hardware with stainless steel carriage bolts and K-Lock nuts for easy one-wrench installation
Equipped with the proprietary DX239 heavy-duty stud featuring a stainless steel center stud inside a plated aluminum hex base
Designed to reduce cab reflections and optimize antenna performance on modern aerodynamic Freightliner trucks