This exhaust bellow, also called a flex pipe, is a direct replacement for the original equipment pipe. Made of durable materials for reliable service and a long life, this exhaust bellow includes the necessary installation hardware. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Mack CHU: 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Mack CXU: 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Mack GU7: 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Mack GU8: 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Volvo VNL: 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Volvo VNM: 2011, 2012, 2013, 2014, 2015, 2016, 2017]