The latest sports exhaust from POLINI for your KYMCO DOWNTOWN 300 (300I, SK60A, SK60 ... so from 2009 to 2012) and your KAWASAKI J 300 (WS60). This line POLINI very high quality is available in catalyzed or uncatalysed version, the version with catalyst is obviously more expensive but also homologated road in case of pollution test, the uncatalysed, cheaper, is more efficient, more free, but Normally not approved on European roads. This line has a very specific and fashionable look by its satin anodized black color consists of a stainless steel line, a stainless steel silencer very light, all is designed to last in time without maintenance and without rust, and to offer a very low weight with very high performance! The line comes with a DB KILLER! Leaving this room, the performance is very slightly bridée but the noise is very discreet, when removed, it transforms its KYMCO or KAWASAKI 300cc into a sporting vehicle with a noise racing and high performance! This exhaust is quite intended to release the biggest kits like the original engines! Ideal with a sport air filter and a sport variator!