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K&N 04-05 Honda TRX450R Air Filter K&N Engineering KNNHA-4504
K&N 04-05 Honda TRX450R Air Filter K&N Engineering KNNHA-4504
K&N 04-05 Honda TRX450R Air Filter K&N Engineering KNNHA-4504
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K&N 04-05 Honda TRX450R Air Filter

KNNHA-4504
024844105165
Air Filters - Drop In
18 Units In Stock - Ships Next Business Day
$ 120.00 $ 104.99
$ 104.99

SKU: HA-4504 | UPC: 024844105165

K&N HA-4504 Replacement Air Filter for 2004-2005 Honda TRX450R

The K&N HA-4504 replacement air filter delivers high airflow and filtration for 2004-2005 Honda TRX450R ATVs. It installs directly into the OEM airbox with an application-specific sealing bead for a precise fit. Riders gain increased horsepower and acceleration in dusty off-road conditions without jet changes or fuel modifications.

Key Features

  • Washable and Reusable Design: Clean and re-oil for extended service life with low restriction and high capacity during dirty motocross or ATV riding
  • High Airflow with Filtration: Pleated cotton media traps dirt while allowing maximum air intake for clean carburetion at high altitudes
  • Direct OEM Fit: Seals perfectly in stock airbox without adapters or custom modifications
  • Multi-Layer Cotton Gauze: Woven layers provide large surface area for long intervals between cleaning
  • Performance Gains: Increases power and throttle response specifically for off-road ATVs UTVs and side-by-sides

Product Notes

  • Pre-oiled and ready to ride right out of the box
  • Use K&N cleaning kit for maintenance to restore full performance
  • Lightweight at 0.65 lbs for easy handling and storage

Installation Notes

  • Professional installation recommended.
  • Drop-in replacement removes in minutes with basic tools
  • Works with factory airbox hardware and no additional parts needed

This Part Fits

Year Make Model Submodel
2004-2005 Honda TRX450R Base

Why Choose K&N?

  • Trusted by off-road enthusiasts for decades of proven filtration
  • Engineered with precise dimensions like 6.5 in top OD and 1.875 in height
  • Backed by rigorous testing for motocross and high-altitude performance

Frequently Asked Questions

  • Q: Will this fit my 2004-2005 Honda TRX450R?
    A: Yes HA-4504 is engineered as a direct replacement for the stock filter in 2004-2005 TRX450R models with exact sealing bead dimensions
  • Q: What media material does it use?
    A: Multiple layers of pleated woven cotton gauze capture fine dust while delivering high airflow in off-road environments
  • Q: What warranty coverage applies?
    A: One Year Limited Warranty covers defects in materials and workmanship under normal use

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Compact box 7.13 x 6.5 x 1.75 inches
  • Weight: 0.65 lbs
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