K&N Performance Air Intake System (63-1123)

K&N Performance Air Intake System (63-1123)The K&N 63 1123 AirCharger air intake system replaces the restrictive factory air filter and air intake housing in some Yamaha YFZ450 models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 63 1123 air intake

5 inches inside diameter

This air intake system is relatively easy to install usually in 90 minutes or less using the vehicle's existing factory mounting points with commonly available tools

Adds visual appeal under the hood

An enclosed air box design helps protect the filter and inlet air from the heat of the engine bay

so it can be washed with K&N synthetic air filter cleaner then reinstalled to use again and again

3-1/2 inch inside diameter

The 62-1513 crankcase vent filter has a K&N embossed chrome top

This coupler adapts a 3-1/2 inch to a 3-1/4 inch tube and is 2-1/2 inches in length

RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable

Durable polyester material with stitched elastic openings

K&N offers a wide selection of metal weld-on and bolt-on adapters for use on air intake systems

Perfco Performance competition filters fill a gap in our market for high-quality competition foam air filters