Caterpillar C11 C13 Exhaust Bellow Flex Pipe 2432531 *Please Verify OEM Number Before Purchase Heavy Duty Flex Pipe Fits Caterpillar C11 And C13 2007-2015 Engines Made of Durable Stainless Steel For Increased Durability And Long Service Life Ideal for Preventing Exhaust Leaks and Loss of Engine Effi... See More