K&N Engineering HA-2501 High-Flow Replacement Air Filter for Honda TRX250X, TRX250EX, TRX250TM and TRX250TE

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: YA-3504PK 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.
• Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
• Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
• No fuel management modifications are required to obtain increased performance
• Specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
• Multiple layers of woven cotton gauze media offers excellent filtration
• Washable & reusable, most are pre-oiled and ready to ride
• Designed to provide increased horsepower and acceleration
• One Year Limited Warranty

The K&N Engineering HA-2501 High-Flow Replacement Air Filter is designed for select Honda TRX250X, TRX250EX Sportrax, TRX250TM FourTrax Recon, and TRX250TE FourTrax Recon ES ATV applications. Its high-flow design supports improved horsepower, acceleration, and throttle response while helping protect the engine from dirt and debris during trail riding, recreational use, and demanding off-road operation.

Built with multiple layers of premium oiled cotton gauze, the K&N Engineering HA-2501 provides a large filtration area with low airflow restriction and high dust-holding capacity. The pleated media supports extended service intervals, while the rugged construction is engineered for demanding powersports conditions. A precision OEM-style sealing bead allows the filter to fit directly into the factory air box without fuel-management modifications.

The K&N Engineering HA-2501 is washable and reusable, offering a practical alternative to disposable replacement filters. Most filters are pre-oiled and ready to install, and the included one-year limited warranty provides added confidence. For filter maintenance, the YA-3504PK Air Filter Wrap and 99-5000 Filter Care Service Kit Aerosol are associated products. This product is intended for off-road powersports applications and is not CARB approved; applicable emissions requirements should be verified before installation.

Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: HA-2501
• Filter Type: High-flow replacement air filter
• Filter Media: Oiled cotton gauze
• Service Design: Washable and reusable
• Installation Location: OEM air box
• Vehicle Type: ATV and powersports applications
• Warranty: One-year limited warranty

What's Included

• One K&N Engineering HA-2501 replacement air filter

Fitment

Fits 2001 Honda TRX250EX Sportrax; 2002 Honda TRX250EX Sportrax, TRX250TE FourTrax Recon ES, and TRX250TM FourTrax Recon; 2003 Honda TRX250EX Sportrax, TRX250TE FourTrax Recon ES, and TRX250TM FourTrax Recon; and 2004 Honda TRX250EX Sportrax, TRX250TE FourTrax Recon ES, and TRX250TM FourTrax Recon.

Features:

• High-Flow Performance: Increases airflow to support improved horsepower, acceleration, and throttle response.
• Durable Construction: Rugged design and high dust-holding capacity support reliable performance in demanding off-road conditions.
• Efficient Filtration: Multiple layers of pleated oiled cotton gauze provide a large filtration area with low restriction.
• OEM-Style Fit: Application-specific sealing bead fits directly into the factory air box without fuel-management modifications.

Fitments:
2001 Honda TRX250EX Sportrax Base
2002 Honda TRX250EX Sportrax Base
2002 Honda TRX250TE FourTrax Recon ES Base
2002 Honda TRX250TM FourTrax Recon Base
2003 Honda TRX250EX Sportrax Base
2003 Honda TRX250TE FourTrax Recon ES Base
2003 Honda TRX250TM FourTrax Recon Base
2004 Honda TRX250EX Sportrax Base
2004 Honda TRX250TE FourTrax Recon ES Base
2004 Honda TRX250TM FourTrax Recon Base
2005 Honda TRX250EX Sportrax Base
2005 Honda TRX250TE FourTrax Recon ES Base
2005 Honda TRX250TM FourTrax Recon Base
2006 Honda TRX250EX Sportrax Base
2006 Honda TRX250TE FourTrax Recon ES Base
2006 Honda TRX250TM FourTrax Recon Base
2007 Honda TRX250EX Sportrax Base
2007 Honda TRX250TE FourTrax Recon ES Base
2007 Honda TRX250TM FourTrax Recon Base
2008 Honda TRX250EX Sportrax Base
2008 Honda TRX250TE FourTrax Recon ES Base
2008 Honda TRX250TM FourTrax Recon Base
2009 Honda TRX250TE FourTrax Recon ES Base
2009 Honda TRX250TM FourTrax Recon Base
2009 Honda TRX250X Base
2011 Honda TRX250TE FourTrax Recon ES Base
2011 Honda TRX250TM FourTrax Recon Base
2011 Honda TRX250X Base
2012 Honda TRX250TE FourTrax Recon ES Base
2012 Honda TRX250TM FourTrax Recon Base
2012 Honda TRX250X Base
2013 Honda TRX250TE FourTrax Recon ES Base
2013 Honda TRX250TM FourTrax Recon Base
2013 Honda TRX250X Base
2014 Honda TRX250TE FourTrax Recon ES Base
2014 Honda TRX250TM FourTrax Recon Base
2014 Honda TRX250X Base
2016 Honda TRX250TE FourTrax Recon ES Base
2016 Honda TRX250TM FourTrax Recon Base
2016 Honda TRX250X Base
2016 Honda TRX250X SE Base
2017 Honda TRX250TE FourTrax Recon ES Base
2017 Honda TRX250TM FourTrax Recon Base
2017 Honda TRX250X Base
2018 Honda TRX250TE FourTrax Recon ES Base
2018 Honda TRX250TM FourTrax Recon Base
2018 Honda TRX250X Base
2019 Honda TRX250TE FourTrax Recon ES Base
2019 Honda TRX250TM FourTrax Recon Base
2019 Honda TRX250X Base
2020 Honda TRX250TE FourTrax Recon ES Base
2020 Honda TRX250TM FourTrax Recon Base
2020 Honda TRX250X Base
2021 Honda TRX250TE FourTrax Recon ES Base
2021 Honda TRX250TM FourTrax Recon Base
2021 Honda TRX250X Base
2022 Honda TRX250TE FourTrax Recon ES Base
2022 Honda TRX250TM FourTrax Recon Base
2022 Honda TRX250X Base
2023 Honda TRX250TE FourTrax Recon ES Base
2023 Honda TRX250TM FourTrax Recon Base
2023 Honda TRX250X Base
2024 Honda TRX250TE FourTrax Recon ES Base
2024 Honda TRX250TM FourTrax Recon Base
2024 Honda TRX250X Base
2025 Honda TRX250TE FourTrax Recon ES Base
2025 Honda TRX250TM FourTrax Recon Base
2025 Honda TRX250X Base
2026 Honda TRX250TE FourTrax Recon ES Base
2026 Honda TRX250TM FourTrax Recon Base
2026 Honda TRX250X Base

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