Tuned Exhaust Pipe, 23-30cc Gas Engines: 5IVE-TKey Features Separate conical header and an ultra smooth tooled expansion chamber Constructed of hi quality steel alloy and is coated with a rust and heat resistant black finish for added protection and appearance Race inspired exhaust provides increase in power and performance Creates a Racer like exhaust tone which is thrilling for the user as well as the spectator Improves performance and provides powerful exhaust note Overview The Losi LOSR8020