K&N Performance Drop In Air Filter - High-Flow for 07-13 Nissan Altima 2.5L-4L 33-2374

K&N replacement air filters are designed to enhance horsepower and acceleration while maintaining superior filtration. With over 1,200 distinct replacement air filters available, we cater to the majority of vehicles on the road. These washable and reusable filters are meticulously crafted to fit seamlessly into your existing factory air box. Their drop-in design ensures effortless installation, requiring only the removal of the disposable air filter and its replacement with a K&N filter. Refer to the applicable instruction sheet for detailed guidance. Our stock replacement air filters for street vehicles are backed by our renowned K&N Million-Mile Limited Warranty, ensuring they will be the final air filter your vehicle ever needs. K&N washable, reusable High-Flow Air Filters incorporate a cutting-edge design featuring layered, oiled cotton media engineered to optimize airflow and capture contaminants, resulting in a notable increase in horsepower. Each performance air filter is designed to endure for the entire lifespan of your vehicle and is supported by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are engineered for straightforward installation into your factory air box.

Installation Instructions
Technical Bulletin
Installation Instructions

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