How Airbox Delete Plates Improve Off-Road Reliability
Off-road riding often exposes your ATV to water, mud, dust, and constant vibration, which can put extra stress on the factory airbox setup. Over time, small weak points in the system can lead to unwanted air or moisture entering the intake. Secondary airbox delete plates are designed to simplify this area by sealing off unnecessary components and creating a more secure, controlled intake path. This helps reduce the chances of leaks and keeps your setup more stable in harsh trail conditions.
According to the report, air-engine intake system performance and reliability are highly dependent on preventing contamination such as dust and water intrusion, especially in off-road environments where operating conditions are extreme.
Riders who frequently tackle deep mud, water crossings, or long trail sessions benefit from a more dependable setup that holds up under pressure. A cleaner intake path also supports consistent engine performance when conditions get unpredictable.
The factory secondary airbox is designed as part of the intake system, but it can also become a common source of leaks when your ATV is pushed through demanding riding conditions. Water crossings, muddy trails, and continuous vibration can gradually affect sealing points, allowing moisture or debris to reach places you would rather keep protected.
We offer a straightforward way to simplify this area. By replacing the secondary airbox with dedicated block-off plates, the system has fewer openings that require sealing. The result is a cleaner, more secure setup that's easier to maintain and better suited for riders who regularly venture off the beaten path.
Why this upgrade stands out
Creates a tighter, more dependable airbox seal
Reduces potential leak points in the intake system
Helps keep water and dirt away from sensitive components
Designed specifically for 2014+ Honda Foreman and Rubicon models
Powder-coated finish for long-lasting durability
Not every ride takes place on dry, open trails. Many riders regularly face deep mud, shallow streams, heavy rain, and dusty terrain that put extra strain on their ATV. In these situations, a well-sealed airbox becomes even more important because unwanted moisture or debris can affect reliability over time.
We, Vessel Powersports, offer secondary airbox delete plates that help strengthen this vulnerable area by eliminating an extra opening in the factory airbox. Whether you're exploring wooded trails or tackling muddy routes, the improved sealing helps you ride with greater confidence in changing conditions.
Water crossings
Mud riding
Dusty backcountry trails
Weekend adventure rides
Challenging off-road terrain

A snorkel kit can help prepare your ATV for deeper water and muddy trails, but its performance depends on a properly sealed airbox. If the secondary airbox remains a weak point, unwanted leaks can still occur. Secondary Airbox Delete Plates help create a cleaner, more secure foundation by sealing off this area, making the intake system more reliable and better suited for future snorkel upgrades.
Everything needed to install the delete plates is included in the kit, so you can get started with confidence.
Kit Highlights
Internal block-off plate
External block-off plate
Complete installation hardware
Powder-coated textured black finish
Designed for 2014+ Honda Foreman and Rubicon models
Installation Note: Minor trimming of the factory airbox may be required for proper fitment. Silicone or RTV sealant is also needed during installation to create a durable, watertight seal.

When you're heading into muddy trails, water crossings, or unpredictable terrain, having a well-sealed airbox can make all the difference. That's why Vessel Powersports developed this upgrade—to help riders strengthen a common weak point in the factory setup with a simple, practical solution built for real off-road conditions.
Whether you're planning a snorkel installation or simply want a more dependable airbox setup, these delete plates offer a straightforward way to improve sealing while helping reduce future maintenance concerns.
They help reduce common airbox leak points, creating a cleaner and more secure intake setup for off-road riding.
Yes. They improve the factory airbox seal on their own and can also support a future snorkel installation.
The kit includes an internal block-off plate, an external block-off plate, and all the necessary installation hardware.
Yes. RTV or silicone sealant is recommended to create a proper watertight seal during installation.
No. They're designed to improve airbox sealing while maintaining a reliable setup for everyday and off-road use.
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