K&N High-Flow Original Lifetime Engine Air Filter for Infiniti QX56/QX80, Armada, Patrol (33-2456)

Overview

The K&N High-Flow Original Lifetime Engine Air Filter is engineered to help your SUV or pickup breathe easier. Crafted with advanced media, it supports increased airflow and a responsive driving feel, while remaining washable and reusable for the life of your vehicle.

In real world terms, you may experience smoother throttle response and confident acceleration as you drive. The design is a direct drop-in upgrade for your factory air box, making installation quick and straightforward with no complicated modifications required.

Key benefits you may notice

Expect up to 50% more airflow according to the manufacturer, which could contribute to improved engine feel during daily driving. This filter is designed to work with your existing intake system, so the upgrade can feel seamless rather than disruptive.

durability and longevity are core to this filter. Crafted with rugged, premium materials, the design combines multiple protection layers to help trap contaminants while maintaining airflow. The result is a filter that aims to serve you for the long haul.

Why choose K&N for your Infiniti and Nissan

• Engineered media to support enhanced intake airflow and overall engine performance.
• Rugged construction using premium materials designed to endure highway and daily driving.
• Four layers of protective cotton gauze treated with a tacking agent to trap contaminants.
• Low maintenance with a recommended cleaning interval of about 75,000 miles under normal highway driving.
• Lifetime warranty on stock replacement filters, reflecting long term reliability.
• Easy installation that drops into your factory air box for a quick upgrade.
• Eco-friendly washable and reusable design to reduce disposable filter waste.
• Made in the USA with trusted quality and consistent manufacturing standards.

Installation and maintenance

Install in minutes by removing the existing filter and seating the K&N unit into the factory air box. Regular care involves washing and reusing the filter as directed by K&N care guidelines, with the long cleaning interval noted above for typical use.

Real world use scenarios

• Daily city and highway driving where smoother throttle response may enhance the driving experience.
• Road trips and mixed terrain travel where dependable filtration supports continuous performance without frequent replacements.

Compatibility

Designed to fit 2011–2013 Infiniti QX56, 2014–2024 Infiniti QX80, 2017–2024 Nissan Armada, and 2010–2024 Nissan Patrol.