Two Bros. Comp S Stainless 2 into 1 Exhaust for Harley Nightster RH975 2022-UPTwo Brothers Comp S Stainless 2 into 1 exhaust system for Harley Davidson Nightster RH975 motorcycles Itching to give your Revolution Max engine a little more? Engineered to exacting standards, the Comp S exhaust system delivers unparalleled sound and performance and makes more power and meaty torque across a wide swath of the rev range. Each system is made with high quality materials and is TIG welded by hand. Made of mandrel bent stainless tubing,