K&N Engineering HA-4099 Off-Road Replacement Air Filter for Honda TRX400EX (1999-2008)
K&N Engineering

K&N Engineering HA-4099 Off-Road Replacement Air Filter for Honda TRX400EX (1999-2008)

$81.99
K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration. K&N Replacement Air Filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. K&N air filters are washable and reusable and provide high air-flow with excellent filtration.
  • One Year Limited Warranty

The K&N Engineering HA-4099 off-road replacement air filter is designed to deliver high performance and reliable filtration for Honda TRX400EX models from 1999 through 2008. Built with washable and reusable materials, this air filter provides consistent high airflow, essential for maintaining optimal engine performance during extended off-road riding sessions. Its advanced filtration media effectively captures dust, dirt, and debris commonly encountered in dusty off-road environments, ensuring clean carburetion even at high altitudes. This reduces the need for frequent jet adjustments and helps prolong engine life. The durable construction allows for multiple cleaning and re-oiling cycles, making it a cost-effective upgrade for power sports enthusiasts seeking enhanced airflow and filtration efficiency. The HA-4099 comes with a one-year limited warranty, reflecting K&N's commitment to quality and durability. Designed specifically for powersports applications, this filter is easy to install and fits seamlessly into the original air box of compatible Honda TRX400EX models. It is an ideal choice for riders who demand reliable performance in rugged conditions and want a washable, reusable solution for their off-road adventures. Whether you're tackling dusty trails or high-altitude terrains, this filter ensures your engine breathes cleanly and efficiently, maximizing power and extending engine life over the long haul.

Features:

  • High airflow design for enhanced engine performance
  • Washable and reusable for long-term cost savings
  • Effective filtration captures dirt and debris in dusty conditions
  • Designed for off-road and powersports applications
  • Easy to install and fits Honda TRX400EX models from 1999 to 2008

Fitment & install notes

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