Genuine Lafranconi Competizioni silencers for all 1100cc California models, plus California II and California III. Fits California 1100, EV, Jackal, Stone, Special, Bassa, and Touring vesrions of each. Performance version of the original equipment muffler, made by the original equipment manufacturer in Mandello. Full bodied Guzzi sound, these are the loudest mufflers we carry for the California series. Red painted exit holes. but curiously they leave out the propeller on this version. Sold in pairs.