vs
Cabin filter OEM Toyota or K&N
Reviews
I change my oil+filter every 5k, engine+cabin filter every 15k, and CVT Drain and Fill every 60k (just once so far) and have not noticed anything weird or concerning.
Pros: no weird issues
Vehicle:
Toyota Corolla
To make things easier, I put a K & N cabin filter in so I don’t have to replace it every year. I need to clean it as it’s due.
Pros: reusable, long service interval
Vehicle:
Acura RDX
I put a K&N cabin filter and it's been going strong, wash it out and dry, goes back in and still smells fresh.
Pros: wash it out and dry
I bought a K&N cabin air filter. I wash it in my bath tub. Dry it. Take some spray oil I made myself with essential scented oils, rubbing alcohol, and glycerine. Spray it on. Let it sit for 5 minutes in the sun. Pop right in. Completely fine.
Pros: washable, reusable filter
just went to autozone and forked out for the K&N, and holy shit it was worth it. Like night and day on the airflow. I can actually feel it on my face now, lol.
Pros: night and day airflow, can feel on face
Vehicle:
Toyota 4runner
I would NOT do the K&N engine filter. Little to no real world gain vs the investment. What I would recommend is the k&n cabin filter. I replaced the factory one with a k&n and makes a noticeable difference.
Pros: noticeable difference
Cons: little real world gain
K&N also makes a washable cabin air filter, although it’s a b@$&; to clean.
Pros: washable air filter
Cons: difficult to clean
Besides the need for washing and re-conditioning, these filters also have the drawback that they were originally designed for increased airflow to the engine. For one, we don't have an engine to begin with. What we need is good cabin air. In this sense, the increased airflow is counterproductive as it lets more "stuff" through than regular filters. If you want the best cabin air, I would recommend a carbon-coated cabin filter. I have been using and have had no issues with air restriction, and I believe the air is better air compared with the other two vehicles in our family (but they are ICE vehicles, so who knows).
Pros: better air quality
Cons: increased airflow, needs washing
Vehicle:
Hyundai
I just bought a K&N one from work and put it in. Most difficult 2:43 of my life.
Pros: bought from work
Cons: most difficult
Vehicle:
Subaru
Bosch with charcoal, DO NOT USE KN CABIN FILTERS, you’ll be very unhappy with them. Tried them for 4 years, sure cleaning was easy, but they did not filter any orders, if anything they made them worse. Switched back to Bosch.
Pros: cleaning was easy
Cons: did not filter orders
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