Rush True Dual Head Pipes for 1985-2008 Harley Davidson FLH, FLT Chrome 7015 Heat shields are chrome or black Comes as a complete kit with all hardware included The cerami-coat is applied to the inside and outside of the exhaust system, and the metallic and polymer resin portions of the coating form both a sacrificial layer and a barrier to corrosion caused by heat The cerami-coat aids in heat retention from inside the system and acts as an insulating barrier, thus significantly reducing the temperature near the rider and passenger Since the cerami-coat is on the inside of your new FL Full System, the resistance of exhaust flow is reduced which makes the entire system more efficient