Leading Manufacturer, Supplier & Retailer of Diesel Engine Mufflers, Barrier Filtration, Anti Microbial HEPA Filtration, Crew Compartment Filtration and Cabin Air Recirculation Filtration.
Our mufflers, silencers and exhaust systems reduce noise and back pressure, increase fuel economy and extend service life. As part of our expanded focus on the exhaust market, over 250 part numbers have been added to the new Donaldson exhaust catalog. New parts include 30 new off-road mufflers and a wide variety of new clamps that are easier to install and have better sealing ability.