Designed for performance, these E-rated slip-ons have a nice, deep sound The E approval makes them road legal throughout the European community Easy to install on stock manifolds, they feature integrated catalytic converters and removable dB Killers Removing the dB Killers invalidates the E approval and can only be used on closed terrain such as racing tracks. Black versions Ceramic coating, heat resistant to 900° With Service Card registration, 30 months V-Performance warranty (for instructions see the video below) FOR MODELS 15-20 Scout, 17-20 Scout Sixty, 19-20 Scout Bobber