Exhaust Removal Equipment for Stationary Vehicles Airflow Systems Southwest offers complete systems for the extraction of harmful exhaust fumes from gasoline and diesel engines. Meeting the needs of maintenance and repair facilities for automobiles, trucks, and heavy equipment, we supply and install track rail systems, track arms, and hose reels.Selection of Products Standard and Touchless Rail SystemsSpring-loaded and Motorized Hose ReelsTrack Arms for Extended Reach Heavy Equipment NeedsSingle- and Twin-Exhaust ExtractorsAll Accessories Nozzles, Hoses & Balancers