Euro 5 approved. Chrome-plated slip-on exhaust system made of precision-machined stainless steel with silencers and 80 mm diameter. Complete with catalytic converter and removable dB killer. The silencers are equipped with CNC-milled end caps made of Ergal (aluminum 7075) in a “revolver” design. Note: Approval applies to unmodified production motorcycles of the models and model years specified in the product description. Removal or modification of the standard dB killer will invalidate the approval. Note: See 708849 for the standard dB killer and 708859 for the racing dB killer.