The conical Zard Slip-on 2-1 rear silencer has a beautiful, deep and rich sound. The DB-Eater is removable and all mounting materials are included. Performance and torque curve are improved compared to the original. The EC-approved rear silencers have an engraved E-number and do not need to be entered in the vehicle documents. Thanks to its high-quality workmanship, the conical Zard rear silencer is a real eye-catcher on the Moto Guzzi Norge