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. [Kenworth C500: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Kenworth T2000: 2007, 2008, 2009, 2010, 2011] - [Kenworth T270: 2014, 2015, 2016] - [Kenworth T370: 2014, 2015, 2016] - [Kenworth T400: 2014, 2015, 2016] - [Kenworth T600A: 2007] - [Kenworth T660: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Kenworth T680: 2013, 2014, 2015, 2016, 2017] - [Kenworth T700: 2011, 2012, 2013, 2014, 2015] - [Kenworth T800: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Kenworth T880: 2015, 2016, 2017] - [Kenworth W900: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Peterbilt 320: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Peterbilt 337: 2014, 2015, 2016] - [Peterbilt 348: 2014, 2015, 2016] - [Peterbilt 357: 2007] - [Peterbilt 365: 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Peterbilt 367: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Peterbilt 378: 2007] - [Peterbilt 379: 2007] - [Peterbilt 382: 2014, 2015, 2016] - [Peterbilt 384: 2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Peterbilt 385: 2007, 2008] - [Peterbilt 386: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Peterbilt 387: 2007, 2008, 2009, 2010, 2011] - [Peterbilt 388: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Peterbilt 389: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Peterbilt 567: 2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Peterbilt 579: 2013, 2014, 2015, 2016, 2017] - [Peterbilt 587: 2011, 2012, 2013, 2014, 2015, 2016, 2017]