K&N Filters HA-4504 High-Flow Air Filter 2004-2005 Honda TRX450R

Stop choking your engine with restrictive paper filters and give your ATV the airflow it deserves. The K&N HA-4504 OE Replacement High-Flow Air Filter is engineered to increase horsepower and acceleration while providing excellent filtration. Whether you are tearing up the dunes or hitting the trails, Moto-House MX provides the elite components you need to stay ahead of the pack with this 100% reusable performance upgrade.

Built with multiple layers of premium pleated cotton gauze, this filter offers a significantly larger surface area compared to stock, leading to longer service intervals. The application-specific sealing bead ensures a precise, airtight fit within your OEM airbox, protecting your engine from fine dust and debris. Best of all, it comes pre-oiled and ready to ride, designed and manufactured right here in the USA for maximum durability.

Top Features: K&N HA-4504 High-Flow Air Filter

• Increased Performance: Designed to provide higher airflow and increased throttle response without requiring fuel-management modifications.
• Washable & Reusable: Environmentally friendly cotton gauze media can be cleaned and re-oiled for a lifetime of use.
• Precision Fit: Features an application-specific sealing bead to ensure a perfect fit in the factory airbox.
• Ready to Ride: Comes pre-oiled from the factory so you can install and go immediately.
• USA Made: High-quality construction and materials backed by K&N’s legendary reputation.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2004-2005	Honda	TRX450R Sportrax

Frequently Asked Questions

Does this filter require me to re-jet my carburetor?
No, this K&N OE Replacement filter is designed to increase performance while staying within the limits of the stock fuel management settings.

How often should I clean my K&N air filter?
Cleaning intervals depend on riding conditions. In dusty motocross or desert environments, we recommend checking the filter after every few rides; however, the pleated design allows for longer intervals than standard foam filters.

Is this a direct fit for the 2004-2005 Honda TRX450R?
Yes, the HA-4504 is specifically engineered to drop directly into the OEM airbox without any cutting or modifications required.

Upgrade Your Quad and experience the K&N difference today at Moto-House MX.

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The best motocross shop in Central Florida.