K&N HA-4506-T Powerlid Airbox Cover for 2006-2014 Honda TRX450R/TRX450ER

Vehicle Fitment

• 2006-2012 Honda TRX450R (All Trims, 450cc 4-Stroke)
• 2006-2009, 2012-2014 Honda TRX450ER (All Trims, 450cc 4-Stroke)

Fitment Notes

• Does not fit TRX models outside listed years or non-450cc platforms
• Ensure proper jetting adjustments for extreme riding conditions

Features

• Replaces stock airbox lid for improved airflow
• High-flow Powerlid design enhances throttle response
• Includes washable, reusable cotton gauze filter
• Snaps directly into OEM airbox - no modifications required
• Reduces intake restriction for off-road performance
• Lightweight and durable construction
• Includes Drycharger® filter wrap to protect against dust/water
• Helps maximize horsepower and engine efficiency

Specifications

• Filter height: 1.063 in (27 mm)
• Weight: ~1.5 lb (0.7 kg)
• Position: Upper airbox lid
• Compatible with 450cc 4-stroke Honda TRX450R/TRX450ER engines

Included Components

• 1x Powerlid airbox cover
• 1x Drycharger® filter wrap
• 2x Carburetor jets (for tuning if required)

Product Description

The K&N HA-4506-T Powerlid Airbox Cover is a performance upgrade designed for Honda TRX450R and TRX450ER models. By replacing the restrictive stock airbox lid and snorkels, it improves airflow, throttle response, and overall engine performance during demanding off-road riding.

Featuring a high-flow, washable cotton gauze filter and durable construction, the Powerlid ensures long-lasting performance while protecting the engine from dirt and debris. The included Drycharger® wrap adds extra protection in dusty or wet conditions.

Installation is straightforward, snapping directly onto the OEM airbox with no modifications required. Riders should check carburetor jetting if used in extreme conditions or after additional modifications. Ideal for ATV enthusiasts seeking enhanced performance, reliability, and ease of maintenance.