37.9937.991
2004-2013 Yamaha YFZ450 K and N style air filter YFZ 450 2004-2009 PRO FLOW
Brand New K&N style ATV Air Filter - Pleated element style for more air flow - More power and acceleration - Washable and re-usable - ID is 4 3/8' The corresponding K&N part number is RU-4740, and this filter fits everything that this filter fits This WILL fit inside the factory airbox! Needs the Pro Flo adapter ring to mount ...
Vito's Performance

Vito's Performance

2004-2013 Yamaha YFZ450 K and N style air filter YFZ 450 2004-2009 PRO FLOW

$37.99
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Description

Brand New K&N style ATV Air Filter

- Pleated element style for more air flow
- More power and acceleration
- Washable and re-usable
- ID is 4 3/8"

The corresponding K&N part number is RU-4740, and this filter fits everything that this filter fits

This WILL fit inside the factory airbox! Needs the Pro Flo adapter ring to mount properly. It does not use the factory cage and mounting stud

- THIS FILTER IS NOT AN OEM REPLACEMENT AND WILL ONLY WORK WITH AN AFTER MARKET BILLET PRO FLOW INTAKE RING or INTAKE

Application List
ImageSKU / Part NoApplicationDetailStockPriceAdd to Cart
 KN1645Yamaha YFZ450 (2004-2013)Out of Stock$37.99Call for Price
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