Dynojet Stage 2 Jet Kit Ducati 900Ss / SP Dynojet Stage 2 jet kits are designed for motorcycles with a stock or mild tuned engine, paired with a high flow aftermarket exhaust system and airbox. Optimum fuel mixture is achieved with stage 2 jet kit when used in conjunction with modified air filters and exhaust. The addition of the Stage 2 jet kit improves throttle response and typically increases power by 8 across the rev range. Features: Increase power and smoothness throughout the entire rev range, while maintaining optimum fuel economy Kit includes comprehensive instructions which show step-by-step installation and testing procedures to ensure a perfect setup every time This stage 2 kit is fully adjustable to allow the use of well-designed aftermarket pipes and stock replacement air filters In most cases power increases of 8 can be achieved