MagnaFlow 4-1/2” Top Gun slip-ons deliver maximum horsepower gains with a style statement like no other. Top Gun slip-ons deliver rich, deep, thundering bass sound quality with reduced decibels at cruising RPM’s making them the ideal upgrade of long haul, performance minded riders. MagnaFlow’s top of the line Pro-Flow 3 step perforated baffle cores are engineered to generate dynamic power and sounds with added throttle response over stock. Top Gun slip-on mufflers are perfect for: • Highly tuned engines that demand ultimate flow and output or • Stock engines looking for that added edge The distinctive end caps with 3-D inner and outer precision channeling set the standard for style on this performance upgrade slip-on. Top Gun slip-ons easily bolt on to stock or MagnaFlow head pipes with all mounting hardware included. Experience the quality, power and sound of MagnaFlow's unmatched Top Gun slip-on exhausts for motorcycles. With a chrome finish and 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.