Dubach Racing G4 Pit Bike Exhaust System Honda Crf110F The Dubach Racing G4 Full System Exhaust is built to wake up the Honda Crf110 and put its power to better use. Made from durable 304 stainless steel with a lightweight aluminum silencer, it cuts weight and sharpens throttle response. Dr.d also gives it a clean factory style with a carbon fiber end cap and a holographic decal that stands out on the starting line. Features: Improves overall power and throttle response Durable 304 stainless steel construction Lightweight aluminum body silencer Premium carbon fiber end cap Holographic Dr.d decal for factory styling