Seller notes

All CFM Performance products are proudly MADE IN USA.New aluminum air box with lid for the Kawasaki KFX450R.Will fit any year, including special edition models.On an otherwise stock machine a 3HP gain is common. We have seen up to 5HP increase on highly modified ATV's.The stock air box uses a small 3 1/2" I.D. filter that isn't held in place very well. This air box uses a HUGE 4 1/2" filter. The largest one available for any ATV. It is securely clamped in place to make sure you have a perfect se...

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