Khrome werks 4-1/2 HP-Plus Slip-On Mufflers Harley Touring M8 2017^ Glide FLH CHKhrome werks 4 1 2 HP Plus Slip On Mufflers Harley Touring M8 2017^ Glide FLH Chrome satin KHROME WERKS 1801 1451 202630 4 1 2" HP Plus Slip On Mufflers 4. 5" Mufflers for Touring Satin Khrome with Tracer These mufflers have been dyno tested and show a 12% increase in torque and 7% increase in power Produce the Khrome Werks signature, authoritative tone without annoying high frequency noises Absorptive baffle covered with stainless steel mat and high