Description
The K&N Filters Replacement Air Filter Panel for 20C Frontier – Red (KNN33-5116) is designed to enhance engine performance by improving airflow and filtration efficiency. This high-performance air filter is made with durable, washable cotton gauze, allowing long-term use without frequent replacements. The precision-fit panel design ensures a seamless installation, making it an ideal upgrade for vehicle owners looking to maintain optimal engine health. With its reusable construction, this air filter helps reduce waste while providing superior protection against contaminants like dust, dirt, and debris. Whether for daily driving or demanding conditions, this air filter supports a cleaner engine, improved throttle response, and enhanced fuel efficiency.
Features and Specifications:
- Vehicle Fitment: 20C Frontier
- Height: 1.469 in (37 mm)
- Outside Length: 11.375 in (289 mm)
- Outside Width: 9.656 in (245 mm)
- Weight: 1.6 lb (0.7 kg)
- Superior Filtration: Features four layers of premium cotton gauze treated with a special tacking agent to capture contaminants.
- Long-Lasting Performance: Requires cleaning only every 75,000 miles under normal highway conditions—about once every 5 years.
- Durable Construction: Built with premium materials and advanced manufacturing for long-term reliability.
- Eco-Friendly: Helps reduce landfill waste, preventing millions of disposable filters from being discarded annually.
- Enhanced Engine Performance: Designed to boost horsepower, acceleration, and overall efficiency.
- Easy Installation: Pre-oiled and ready to drop into the factory air box for a compelling upgrade.
- Cost Savings: A reusable K&N air filter saves up to $125 compared to multiple disposable filters over 200,000 miles.
- Lifetime Warranty: Backed by a limited lifetime warranty on stock replacement filters (terms apply).






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