What is the fine-grained topic of the following text: The Vortech combines Hard Body Seamless Composite Panels, TPD’s Perimeter Boxed Framed Chassis, Aerodynamics, Walk-On Roof, Rubber Torsion Axles, LED Lighting, Proprietary Aluminum Trim Molding, Aero Space Fasteners, Superior Towing, Highest Re-Sale Values, Pride of Ownership, and Customer Satisfaction. Only return the topic.
Vortech's features and benefits