Retains air box and side covers. Includes K&N high flow washable filter, +4° timing advancer with gasket, main jets & needle shims. This is a simple way to get that extra punch with our exhaust system.

Removes the air box. Includes K&N high flow washable filters, crank vent filter, +4° timing advancer with gasket, main jets & needle shims. This will give you the largest power gain available using the stock carbs with our exhaust system.