Description:Cat® Exhaust Stack consist of a collection of tubes, usually of cast iron, that channel the exhaust gases from the cylinders of an engine to the atmosphere. With longer maintenance intervals, this extends your work cycles which saves you time and reduces lost revenue due to downtime. Choosing genuine Cat® Parts is a wise investment for your hard-working equipment. Cat® Parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact and reuse.Application:Consult your owner's manual or contact your local Cat Dealer for more information.