Euro 5 homologated. Ready to replace the stock 2-1 exhaust system; with its extremely oversized single muffler. This is a precision made stainless exhaust system; complete with catalyst converters; for a fully legal replacement that does not get you into trouble during a routine traffic stop. Fitment is a direct bolt-on replacement for the stock headers and mufflers. The system comes with a black; 900°C heat resistant satin black ceramic; coating for lasting beauty. Mufflers are 80mm diameter and end caps are CNC machined Ergal (aluminum 7075); in the ''Revolver'' design; also in black ceramic with a Contrast Machined finish.Note: Homologation is valid for unmodified stock bikes; for the specific models and model years as mentioned in the product description. Removing or modifying the standard Db killer will void the homologation. Note: See 708849 for the Standard Db killer; 708859 for the Racing Db killer