K&NEngine Air Filter: High Performance, Washable, Replacement Filter: Compatible 2004-2019 Nissan/Infiniti (Frontier, Titan, Pathfinder, Xterra, Armada, Equator, NV1500, 2500, 3500, QX56), 33-2286

Siempre he usado estos filtros de aire, dan confiabilidad al instalarlos al vehículo, los recomiendo al 100% y lo mejor es que son reusables

I've used these in many vehicles, and they are very, very good, both in action and cost efficiency. Yes, you do have to service them every 50k, but you're not just buying one after another air filters every 20 or so thousand miles. The deal went simply and quickly, and I am very happy to have yet another vehicle equipped with one of the K&N air filters.

Direct fit....fast shipping!

First of all immediate notice in engine performance. Starting the idle around 800-900 RPM to 5,000 RPM. Mileage improved as well both in the city and highway. high teens to around 20 MPG in the city and 20 MPG to 26 MPG on highway. High Flow Filter definitely works performance wise as well as filtering all the 99.9% of elements that you don't want to get to an engine. As an ex-U.S. Air Force mechanic, I highly recommend this filter especially if you have 2005--2019 Nissan Frontier 4.0L V6 5 Speed Automatic. Make sure to run it on Pennzoil Ultra Platinum with PurePlus Technology where its based stock is made from Natural Gas, NOT Crude oil with BG MOA Advance Formula oil supplement on Shells V-Power NItro+ Premium Gas with STA-BIL 360 Protection Ethanol Fuel Treatment. And have your tires filled up to 40 PSI Nitrogen at all times. Costco warehouse has free Nitrogen fill up for most members and general shopping public that's getting Costco warehouse membership.

As a car enthusiast always on the lookout for ways to enhance my vehicle's performance, I recently opted for the K&N High-Performance Engine Air Filter for my 2009 Armada. Intrigued by promises of increased horsepower and acceleration, I decided to put this renowned filter to the test.Upon receiving the product, I was immediately impressed by its quality construction and the promise of being washable and reusable, offering long-term value. Installation was a breeze, fitting seamlessly into my vehicle's airbox without any modifications required.But the real test came when I hit the road. Utilizing real-world acceleration runs, the results were nothing short of impressive.I feel a noticeable increase in acceleration and responsiveness, particularly in mid-to-high RPM ranges. What impressed me most was the tangible difference in performance, even in everyday driving scenarios. From smoother acceleration to enhanced throttle response, the K&N filter transformed my Armada's driving experience, turning it into a true powerhouse on the road.But it's not just about performance – the K&N filter also offers peace of mind. Its washable and reusable design not only reduces environmental waste but also ensures long-lasting durability and cost-effectiveness. Plus, knowing that my engine is breathing cleaner, filtered air gives me added confidence in its longevity and reliability.In conclusion, the K&N High-Performance Engine Air Filter lives up to its reputation as a game-changer in the world of automotive performance. Whether you're a casual driver looking for a little extra pep or a performance enthusiast seeking maximum power, this filter delivers on its promises and then some. Don't just take my word for it – experience the difference for yourself and unlock the true potential of your car with K&N.