Designed for ATVs with stock engines using the stock airbox, air filter and stock or aftermarket exhaust
Fully adjustable to allow for the use of well-designed aftermarket exhausts and stock replacement air filters
Improve throttle response and drivability
Power increases of approximately 5% throughout the entire power range
STAGE 2 KITS
For applications where individual air filters cannot be installed and where airbox modifications improve overall engine performance
A power increase of 8% can be achieved in most cases
Designed for ATVs with stock or mildly modified engines using well-designed stock or aftermarket exhausts with a modified airbox and a stock or replacement air filter
STAGE 3 KITS
Designed for ATVs with stock or mildly modified engines using individual air filters and a stock or aftermarket exhaust
In most cases, power increases of 10-15%; drivability may be compromised in short-stroke high-rpm motors
On some modern engine and airbox designs, individual filters and proper jetting offer no performance improvement and compromise drivability; Stage 3 kits are not available in such cases
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