Cobra 3 Inch RPT Slip-On MufflerPart Number: 6053B The bodies begin as 3" at the front until they expand to 3-1/2" at the rear The Race-Pro-Tip machined design is held in place with 12-point bolts 2" spun-louvered baffle creates back pressure and accelerates exhaust gases Made in USA The RPT slip-ons make use of all of the high-tech features of the regular three-inch slip-on mufflers, including 2" constant velocity cores for exceptional sound and performance, as well as the bonded e-glass and stainless steel mesh. The RPT designation comes from adapting the design from the Race-Pro 4" muffler into this 3" size. Muffler Finish: Black Tip Finish: Aluminum Prop65 Notice: This exhaust is not intended for use on emissions controlled vehicles in the state of California The bodies begin as 3" at the front until they expand to 3-1/2" at the rear The black tip is also the Race-Pro machined design that's held in place with 12-point bolts Billet RPT tip finishes off the rear 2" spun-louvered baffle creates back pressure and accelerates exhaust gases Available in chrome and black Made in USA Product Details Product Line Cobra RPT Slip-On Muffler - 3 Inch Part Number 6053B Fitment Type Use Type Unit Sale Qty Style Size Position Material Color Finish Exhaust Configuration Muffler Size Muffler End/Tip Style California Emissions TRUE Product Disclaimer Fitment Note Fitment Note Fitment Note Fitment Note Fitment Note Items Included (2) 3 in. black mufflers with clear coated aluminum endcap and removable baffles (1) Instructions Fitments 2017 Harley-Davidson Heritage Softail Classic - FLSTC 2016 Harley-Davidson Heritage Softail Classic - FLSTC 2015 Harley-Davidson Heritage Softail Classic - FLSTC 2014 Harley-Davidson Heritage Softail Classic - FLSTC 2013 Harley-Davidson Heritage Softail Classic - FLSTC 2012 Harley-Davidson Heritage Softail Classic - FLSTC 2011 Harley-Davidson Heritage Softail Classic - FLSTC 2010 Harley-Davidson Heritage Softail Classic - FLSTC 2009 Harley-Davidson Heritage Softail Classic - FLSTC 2008 Harley-Davidson Heritage Softail Classic (EFI) - FLSTC 2007 Harley-Davidson Heritage Softail Classic (EFI) - FLSTC 2017 Harley-Davidson Softail Breakout - FXSB 2016 Harley-Davidson Softail Breakout - FXSB 2015 Harley-Davidson Softail Breakout - FXSB 2014 Harley-Davidson Softail Breakout - FXSB 2013 Harley-Davidson Softail Breakout - FXSB 2014 Harley-Davidson Softail Breakout - FXSBSE 2013 Harley-Davidson Softail Breakout - FXSBSE 2010 Harley-Davidson Softail Custom - FXSTC 2009 Harley-Davidson Softail Custom - FXSTC 2008 Harley-Davidson Softail Custom (EFI) - FXSTC 2007 Harley-Davidson Softail Custom (EFI) - FXSTC 2009 Harley-Davidson Softail Night Train - FXSTB 2008 Harley-Davidson Softail Night Train (EFI) - FXSTB 2007 Harley-Davidson Softail Night Train (EFI) - FXSTB 2017 Harley-Davidson Softail Pro Street Breakout - FXSE 2016 Harley-Davidson Softail Pro Street Breakout - FXSE 2009 Harley-Davidson Softail Rocker - FXCW 2008 Harley-Davidson Softail Rocker (EFI) - FXCW 2011 Harley-Davidson Softail Rocker C - FXCWC 2010 Harley-Davidson Softail Rocker C - FXCWC 2009 Harley-Davidson Softail Rocker C - FXCWC 2008 Harley-Davidson Softail Rocker C (EFI) - FXCWC