Description
The K&N Filters Air Filter for INFINITI QX56/QX80 5.6L V8 (KNN33-2456) is engineered to provide excellent airflow while maintaining filtration efficiency for your engine. Designed to fit select 2011–2013 INFINITI QX56 and 2014–2016 INFINITI QX80 models with a 5.6L V8 engine, this replacement air filter supports long-lasting performance and helps extend engine life. K&N’s washable and reusable filter media allows multiple cleaning cycles, reducing waste and replacement costs. Improve airflow without compromising engine protection with this direct-fit filter.
Features and Specifications:
- Vehicle Fitment: 2011–2013 INFINITI QX56 / 2014–2016 INFINITI QX80
- Height: 1 in (25 mm)
- Outside Length: 13.25 in (337 mm)
- Outside Width: 12.438 in (316 mm)
- Weight: 1.9 lb (0.9 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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