Euro 3 homologated slip-on stainless steel precision-made exhaust muffler set. Chrome plated finish. 80mm diameter. With 'Double Ring' Ergal (aluminum 7075) end caps for a style in line with your bike. Complete with catalyst converter and removable dB killer. Note: Homologation is valid for unmodified stock bikes, for the specific models and model years as mentioned in the product descriptions. Removing or modifying the Standard Db killer will void the homologation.