K&N Engineering HA-4099 High-Flow Replacement Air Filter for 1999-2008 Honda TRX400EX/X

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: 22-8016PK Air Filter Wrap, 99-5000 Filter Care Service Kit Aerosol

• BUILT FOR DURABILITY: High dust holding capacity and rugged construction designed to perform in demanding driving conditions.

The K&N Engineering HA-4099 High-Flow Replacement Air Filter is designed for Honda TRX400EX Sportrax ATVs from 1999 through 2008. Its high-flow design helps improve airflow to support stronger horsepower, acceleration, and throttle response while providing dependable engine protection in demanding riding conditions.

Built with premium oiled cotton gauze and rugged construction, the K&N Engineering HA-4099 offers high dust-holding capacity for trail, dune, recreational, and utility applications. The washable and reusable design allows the filter to be cleaned and serviced rather than routinely replaced, helping provide consistent filtration performance over the life of the product. Its precision OEM-style fit supports straightforward installation in the factory airbox.

Fitment: Fits 1999-2008 Honda TRX400EX Sportrax models. For cleaning and maintenance, K&N recommends the 99-5000 Filter Care Service Kit Aerosol. The 22-8016PK Air Filter Wrap is also available as an associated accessory for additional protection in dusty or wet riding environments. This product is intended for powersports applications and is not CARB approved.

What's Included: One K&N Engineering HA-4099 high-flow replacement air filter. Filter care products and filter wraps are sold separately.

Features:

• High-Flow Performance: Increases airflow to support improved horsepower, acceleration, and throttle response.
• Washable and Reusable: Premium oiled cotton gauze construction can be cleaned and serviced for long-term use.
• Durable Construction: Rugged design and high dust-holding capacity help protect the engine in demanding conditions.
• OEM-Style Fit: Precision fit is designed for straightforward installation in the factory airbox on compatible Honda TRX400EX Sportrax ATVs.

Fitments:
1999 Honda TRX400EX Sportrax Base
2000 Honda TRX400EX Sportrax Base
2001 Honda TRX400EX Sportrax Base
2002 Honda TRX400EX Sportrax Base
2003 Honda TRX400EX Sportrax Base
2004 Honda TRX400EX Sportrax Base
2005 Honda TRX400EX Sportrax Base
2006 Honda TRX400EX Sportrax Base
2007 Honda TRX400EX Sportrax Base
2008 Honda TRX400EX Sportrax Base
2009 Honda TRX400X Base
2012 Honda TRX400X Base
2013 Honda TRX400X Base
2014 Honda TRX400X 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