The 8.94 Inch Cummins ISX Diesel Oxidation Catalysts with a 13.03 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 ISX 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 of 2880504, they offer a reliable and efficient solution for meeting EPA07 exhaust emission norms.