The 7.68 Inch Cummins ISX Diesel Oxidation Catalysts with a 12.17 Inch Diameter are designed to provide high durability and effectiveness in reducing exhaust emissions. With a stainless steel construction and a direct OE replacement number, these catalysts are made to match OE performance and fit most Cummins ISX models. They come with clamps and gaskets included, ensuring easy installation. These catalysts also offer reduced backpressure and fuel consumption, making them a practical choice for improving engine efficiency. Manufactured according to OE technology, they meet EPA07 exhaust emission norms.