4.5in. Razorback Slash Cut Slip-On Mufflers - Black with Black End Caps. Fits Touring 2017up - Vance And Hines Softail Solo Seats 1984-2017 * 39″ is the stock

* 39″ is the stock length on 2024up Road Glide Models

* Flow Rate: 4

The larger the Engine capacity & the faster you go the heavier the breathing & the more oil mist

* Will Fit a Fatboy but the Factory Fender Struts are not Recessed so they dont sit in as tight as other models

you can use it on your new engine

4.5in. Razorback Slash Cut Slip-On Mufflers - Black with Black End Caps. Fits Touring 2017up - Vance And Hines Softail Solo Seats 1984-2017 * 39″ is the stockBuilt for riders who demand power and presence, the Razorback 450 Slip ons from Vance & Hines bring a fierce attitude with bold 4. 5 inch mufflers that give your M8 bagger a deep, aggressive growl that commands attention. * Black Contrast Slash Cut End Caps * The End Cap Angle is Reversible Up or Down Tech Tips: * Does NOT fit 2017up Trike models. The 2017 2020 Trikes use 1995 2016 fitment Touring mufflers. * In 2021, for International Models, Harley