The K&N have cleaning kits for there's with an oil you reapply, but the steps take time for it to dry
Cons: cleaning takes time
Reviews of K&N air filter
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907 votes
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Absolutely yes! They are worth the investment, easy to spay cleaner, wash, put in a towel, spin it around, let air dry, respray oil, install. Have used K&N s on all my vehicles for years. Better performance, mpg.
Pros: better performance, better mpg
I have the K&N air filter in my Badlands. Difference is very minor.
Pros: minor difference
I've been using one on my 2013 US version for a few years now. My freeway mpg seems to be a little better. I recommend oiling with the squeeze bottle instead of the pump or aerosol for better control as it doesn't require much. Too much can get into your sensors and cause problems.
Pros: better freeway mpg
Cons: too much oil harms sensors
Vehicle:
Fiat 500
I’ve got the K&N filter in my 2015 500 Abarth and it works perfectly, no CELs
Pros: works perfectly, no CELs
Vehicle:
Fiat 500
I have one and it works perfectly. You wont get any more performance out of it really. Just better airflow to the turbo. That goes for any intake or filter upgrade. Its worth the $50 for the filter. Get the cleaning kit. Ive already washed it twice since getting it. So really it pays for itself within a few washes.
It is a bit of a pain to get in the first time. Its a little lose so it wants to fall out. Once its in. It swells to fit better. Then stays that way.
Pros: works perfectly, better airflow
Cons: pain to install, initially loose
I've had mine for about 2+ years now, dropped a K&N air filter in it, uploaded a stage 3 tune from some dude he's in Florida somewhere also bought the K Tuner from him as well. This was after extensive YouTube research. My 2.0t is about .0134 seconds slower than a BMW M6 in the 1/4 mile. It's fast, very fast.
Pros: fast, no codes ever
I'd just get some K&N air filter to get a bit more gas mileage and horsepower. This V8 is powerful already, in stock form.
Pros: more gas mileage, horsepower
Vehicle:
Audi A8
I’ve had the K&N washable engine and cabin filters in the car for about 10-15k miles now. No issues so far.
Pros: no issues
Mileage: 15000 km
I worked at advanced auto for a bit and got a K&N filter for a discount. Didn't get it for performance but it works fine and they are reusable so saving money in the long term I think.
Pros: works fine, reusable
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