Prepare your truck to be ready for the journey ahead with reduced exhaust emissions, with the OTR Diesel Oxidation Catalyst with Expertise Built In™. By utilizing an advanced system that acts like a catalytic converter, this replacement device is able to convert harmful pollutants into less dangerous substances before they are expelled from a vehicle. Crafted with a customizable design that is suitable for a horizontal, vertical, or dual installation. FleetPride is your First Click in Heavy Duty®.