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

The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Built with premium oiled cotton gauze, this washable and reusable air filter offers a precision OEM-style fit and rugged construction for long-lasting performance on the trail, in the dunes, or on the job. The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Associated products: HA-4504PR Air Filter Wrap, 99-5000 Filter Care Service Kit Aerosol

• Designed to provide increased horsepower and acceleration specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
• BUILT FOR DURABILITY: High dust holding capacity and rugged construction designed to perform in demanding driving conditions.
• Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
• Pleated media provides a large filtration area offering long service intervals
• No fuel management modifications are required to obtain increased performance
• Multiple layers of woven cotton gauze media offers excellent filtration
• Washable & reusable, most are pre-oiled and ready to ride
• One Year Limited Warranty

The K&N Engineering HA-4504 High-Flow Air Filter is designed for the 2004-2005 Honda TRX450R and other demanding powersports applications. Its high-flow design helps improve airflow to support enhanced horsepower, acceleration, and throttle response while helping protect the engine from dirt and debris. The filter installs directly into the original equipment air box for a precise, application-specific fit.

Built with multiple layers of washable and reusable woven cotton gauze, the K&N Engineering HA-4504 provides efficient filtration and a high dust-holding capacity. Pleated filter media increases the available filtration area, helping support extended service intervals during trail riding, motocross, dunes, and other off-road use. Its rugged construction is made to perform in demanding conditions, and no fuel-management modifications are required to obtain the intended performance benefits.

The HA-4504 is typically pre-oiled and ready to install. When service is required, it can be cleaned, re-oiled, and reused, helping reduce the need for frequent replacement filters. For additional protection in dusty environments, the associated HA-4504PR Air Filter Wrap may be used. K&N Engineering backs this air filter with a one-year limited warranty. The package includes one high-flow replacement air filter. Service products are sold separately, including the 99-5000 Filter Care Service Kit Aerosol.

• Fitment: 2004 Honda TRX450R and 2005 Honda TRX450R
• Brand: K&N Engineering
• Part Number: HA-4504
• Application: Powersports, ATV, UTV, and off-road air filtration
• Filter Type: High-flow washable and reusable air filter
• Filter Media: Multiple layers of woven cotton gauze
• Installation: Direct-fit replacement for the OEM air box
• Warranty: One-year limited warranty

Features:

• Increased airflow: Supports improved horsepower, acceleration, and throttle response for off-road and powersports applications.
• Durable construction: Provides high dust-holding capacity and rugged performance in demanding riding conditions.
• OEM-style fit: Installs directly into the original air box with an application-specific sealing bead for reliable fitment.
• Washable and reusable: Serviceable cotton gauze media can be cleaned and re-oiled for extended use.

Fitments:
2004 Honda TRX450R Base
2005 Honda TRX450R Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1