Kit includes jets, needle, spring, shim and instructions for the stage(s) indicated below
STAGE 1
For mildly tuned machines using the stock air box with stock or aftermarket filter. May also be used with a good aftermarket exhaust system.
STAGE 2
For mildly tuned machines using the stock, modified air box or with the lid removed and the stock or an aftermarket filter. May also be used with a good aftermarket exhaust system.
STAGE 3
For mildly tuned machines with the stock air box removed, using a K&N® aftermarket filter. Should also be used with a good aftermarket exhaust system.
Note: May not be legal for sale or use in California or in other localities due to state and/or federal anti-tampering laws.