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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
engineered to prevent dents
Air springs reinforced with durable 2-ply fabric for long-term strength
The K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow
all four control arms plus a relocation bracket
1999-2009 TRX400EX/X Replacement Air Filter (KNNHA-4099) Rigid Industries engineered to prevent dentsBreathe easy and boost performance with the Universal 1999 2009 TRX400EX X Replacement Air Filter from K&N. This high flow replacement air filter is designed to increase horsepower and acceleration while providing outstanding filtration. Unlike disposable paper filters, K&N filters are washable and reusable, so you buy once and never worry about replacements again. Features Washable and reusable, designed to last the life of your vehicle Manufacturer
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