Dynojet Stage 2 Dynojet KitYAMAHA 660 SZR 660 (4SU) - 1995 - 2001Ref : DY4253-F

The Stage 2 kit is designed for applications where individual filter installation is not possible and where modifying the airbox allows for performance enhancement. In many cases, a power gain of around 8% can be achieved. Designed for motorcycles with original (or slightly modified) engines, equipped with a modified airbox (original air filter, K&N or DNA).