Upgrade the performance and style of your bagger with a set of Arlen Ness by MagnaFlow Redline slip-ons. Reline Slip-Ons Feature: • A 4-1/2” diameter • Long, smooth body taper for a sleek, custom look The Pro-Flow 3 step perforated cores are engineered to improve performance and deliver increased power over stock. Redline slip-on mufflers generate amazing rich, throaty sound quality for miles of enjoyable riding and are the ideal choice for tuned or stock engines looking for improved output. Redlines feature distinctive Accent Cut gloss black aluminum end caps that make a statement. Redline slip-ons bolt directly on to stock or MagnaFlow head pipes and all mounting hardware is included. Experience the quality, power and sound of MagnaFlow's unmatched Redline slip-on exhausts for motorcycles. With a chrome finish and gloss black end caps, you'll not only have the best sounding system, but the best looking performance exhaust on the road. Custom fit to your bike, MagnaFlow's muffler sets for years 2017 and up are a guaranteed improvement to your stock exhaust system.