Rinehart 4 Slip-On Mufflers For Harley Freewheeler Make sure the world knows you're riding a Harley! These 4 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 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 4 slip-ons are available in chrome or black with matching or contrasting end caps. Your bike, your choice. Features: A 4 Rinehart Racing Slip-On exhaust specifically designed for the Freewheeler Same sound and performance gains you know and love from Rinehart Racing is now available for the latest trike Available in chrome or black with chrome or black end caps. American Made Pipes for American Made Bikes Note: For complete exhaust system, pair these mufflers with Rinehart Racing header pipes: 138-914 Chrome or 138-915 Black. Note: Also requires 992-550 conversion kit (sold separately).