Keep your motor’s lungs fed with clean, energy-rich oxygen from the “the world’s best air filter”—K&N Air Filters. Constructed from pleated sheets of oiled cotton gauze, these air filters strip away grime without blocking airflow. Fully reusable. Million Mile Limited Warranty.
Say goodbye to the days of re-oiling your reusable performance filter—innovative aFe Pro-Dry S Air Filters boast a 100% oil-free cotton gauze construction for wicked airflow. Easy to clean and reuse. The Pro-Dry S Air Filter is backed by a Lifetime Warranty.
Steer clear of oil-soaked upgrades and make the switch to AEM DryFlow Air Filters. Boasting an oil-free polyester synthetic material, these performance air filters ensure ample airflow, enhanced protection and easy maintenance. Custom sized. Lifetime Limited Warranty.
Put to rest the ghosts of paper air filters past by exorcizing your air system with a Spectre Air Filter. Masterfully constructed from pleated cotton gauze, these performance air filters trap dirt while still allowing energy-rich air to blast through. Reusable. Lifetime Warranty.
When you equip your engine bay with an aFe Air Filter, you’ll never need another performance air filter in your ride’s life. aFe expertly crafts your automotive air filter from high-quality cotton gauze to trap grime without blocking airflow. Cleanable and reusable. Lifetime Warranty.
Not sure which 2004 Toyota Highlander Air Filters - Custom Fit is right for you? We have over 14143 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"This is my fourth K&N air filter. I have one in every car that I have owned. I know my engine is getting all the air it can get because nothing is better than K&N. My wife who knows nothing about cars said that she felt an improved feel to the pick up on the truck. I would never use anything else then K&N." —Robert D. M from Little Neck, NY bought a K&N Air Filters for a 2004 Toyota Highlander.
"There are 4 cars in my family and I have always maintained each of them with regular replacement of air filters. Over the years I felt I have wasted a lot of money on the marginal efficiency of the regular brands. Now with K&N filters, I am assured of the high level of efficiency that these cars will get while saving a tremendous amount of money in the long run. No doubt about it!
Orlando" —Orlando T from Bloomfield, NJ bought a K&N Air Filters for a 2004 Toyota Highlander, 3.3L V6.
"Filter fit perfectly, dont notice much of a difference around town but seems to help when towing. The computer in the das is saying my MPG's increased about .5 with the new filter so it will save money in the long run. Very high quality filter." —Thomas P from New Hartford, CT bought a K&N Air Filters for a 2004 Toyota Highlander.
"I installed this air filter and also inflated my tires to 40 psi at the same time. In city driving on my Highlander which is rated 19 mpg for the city I just got over 20 mpg. Is is the higher tire pressure or air filter? Maybe both but I seem to get better gas mileage. BTW...autoanything.com is a great web site to purchase from. Great prices and great service!" —John K from Montgomery, AL bought a K&N Air Filters for a 2004 Toyota Highlander.
"The quality of the K&N Air Filter far exceeds OEM. Two OEM filters would have cost what one K&N Air Filter cost so we will save money in the long run." —Linda E from Unionville, VA bought a K&N Air Filters for a 2004 Toyota Highlander.
"Very easy to install. I can see the difference vs. OEM. This will last many years to come for my Toyota Highlander" —Stephen B from Kenvil, NJ bought a K&N Air Filters for a 2004 Toyota Highlander.
"I have been using K&N filters for many years and have enjoyed all the benefits. From better fuel economy to boosted engine performance, these filters are great. Also, it is nice to know that you have them for the life of the vehicle with an easy clean and recharge process." —Jason W from Shelby, MT bought a K&N Air Filters for a 2004 Toyota Highlander.
"Both filters fit snugly into place with no problems. I know it's subjective, but I swear I can tell the difference in performance." —Creigh T from Richmond, VA bought a K&N Air Filters for a 2004 Toyota Highlander.