Make sure the world knows you're riding a Harley. These 3-1/2" slip-on mufflers from Rinehart Racing deliver this isn't no moped sound and great looks to boot. These mufflers were designed for Harley-Davidson Touring motorcycles using the same race-proven baffle design as Rinehart Racing's True Dual Systems, meaning they're precision-machined in America to work with OE head pipes or match perfectly with their Slimline Dual Headers. If you're installing on catalyst-equipped OE pipes, there's no tuning needed or required. You can also mix and match your style, as these 3-1/2" slip-ons are available in chrome or black with matching or contrasting end caps. Your bike, your choice. Give your bike rumble and roar with Rinehart Racing's distinct sound that stands above all others The same highly sought-after muffler and baffle design as our True Dual Systems, designed to work with OE head pipes or match perfectly with our Slimline Dual Headers Slip on mufflers do not fit with Rinehart Racing Stepped Headers. No tuning required or recommended when installing on catalyst-equipped OE pipes Rinehart Racing 3-1/2" Slip-On Mufflers are available in chrome or black with black or chrome end caps American Made Pipes for American Made Bikes.