The 7.93 Inch Cummins ISL Diesel Oxidation Catalysts with an 11.67 Inch Diameter are a high-quality solution for reducing exhaust emissions. Made with stainless steel construction, these catalysts offer durability and effectiveness. With reduced backpressure and fuel consumption, they provide practical benefits for Cummins ISL models. Each catalyst comes with clamps and gaskets included, making installation hassle-free. Manufactured according to OE technology, these catalysts are designed to match OE performance. With a direct OE replacement number, they ensure a perfect fit. Improve your vehicle's emissions and performance with these reliable and efficient catalysts.