70: Pure racing-…. ! The LeoVince Scoot “70”; the number indicating the technical destination of this product, for supercharged 70 cc scooter engines which are specifically used for competition racing and are therefore not homologated for road use. A special series, which constitutes an important stage in the preparation of a racing engine. The expansion chamber is sold without any added volcanic mass kit, to allow technicians to regulate the bike according to the actual circuit conditions. The expansion chamber itself is of enlarged size, with a cone/counter cone structure, and made totally of stainless steel for the first time using craft workmanship and visible TIG-welding. The silencer of the system features a stainless steel interior with titanium skin. The attachment of the header pipes to the cylinder is by means of a screwed flange together with two springs used to reduce the vibrations level and the danger of breakage under extreme conditions of use. The clear aim of the exhaust being to improve performance at the highest speeds. Fits Zuma with 70cc big bore kit.
