The Mack CX, CXU, and Volvo VNL 2008 through 2009 Flex Bellows Kit is a reliable and durable solution for preventing exhaust leaks and maintaining engine efficiency. This kit includes a 5-inch inside diameter exhaust bellow, 2 clamps, and 2 gaskets, providing a complete installation. Engineered in North America with high-quality materials, this flex pipe is a direct replacement for the original pipe, ensuring a proper fit and performance. It fits most Mack and Volvo CX, CXU, and VNL 2008-2009 models with ISX 15.0 and MP7 engines. Trustworthy construction and quality testing guarantee long service life and optimal functionality. Direct OE replacement number: Volvo 21051403.