Stage 1 Kit: Intended for ATV’s with a stock engine using the stock air box, air filter and stock pipe. Stage 1 kits are fully adjustable to allow the use of a well designed aftermarket pipes and stock replacement air filters like K&N. In most cases power increases of approximately 5% throughout the entire power range can be achieved.
Stage 2 Kits: Intended for ATV’s with a stock or mildly tuned engine using a well designed aftermarket pipe with a modified air box and a stock replacement air filter. Stage 2 kits are designed for applications where individual filters cannot be installed and for applications where air box modification improves the engine’s performance. In most cases power increases of approximately 8% can be achieved.
