Air filter K&N or Wix

K&N Air filter

So far, I haven’t had any trouble with the K&N air filter. The only thing I could see being an actual problem is if you don’t remember to clean it often enough.

Pros: no trouble so far
Cons: needs frequent cleaning
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K&N Air filter
UnChapinMas
  • Visible dirt:
Rating 4.5

El filtro de aire también es importante, si pensás tener el carro por más de 5 años te recomiendo los lavables de K&N el carro de mi papá lo ha tenido por 10 años y le hacemos sus limpiezas a cada 50000 Km, el mío lleva cuatro y la misma historia, solo se compra el kit de limpieza.

Pros: lavables, fácil limpieza
Mileage: 50000 km
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Wix Air filter
newtan2
  • Power:
  • Throttle response:
Rating 5.0

I was able to feel a difference right after replacing the air filter with WIX's. I can feel less stress on accelerating, even if there will be no actual hp/performance benefit.

Pros: less stress accelerating
Vehicle: Kia
Part number: WA10271
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K&N Air filter

I've used these in a few cars and never went more than 50k miles between cleanings. You can feel the lack of power at full throttle in most vehicles when it's time, but someone told me that holding any air filter up to the sun or a bright light is a good way to tell the condition and it's been great advice.

Pros: good way to tell condition
Cons: less efficient filtration
Mileage: 50000 km
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K&N Air filter
wilb3
  • Throttle response:
Rating 3.5

I wind up usually coming back to K&N as I have ran them in about 5 different vehicles over the years including in Corvettes and 8cyl. trucks. I prefer them unoiled after cleaning that way you minimize fouling the maf sensor. As far as performance gains in my 1.4l base Jetta- throttle response is a bit improved but I don’t know if there is a gain in hp (6spd manual as well).

Pros: improved throttle response
Cons: uncertain HP gain
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K&N Air filter
Phil37
  • Power:
Rating 3.0

I used K&N drop in filters as well as the K&N Typhoon intake on previous cars. I don't think the K&N drop in filter makes more than 2-3 hp. The K&N Typhoon intake might make 10 hp. It does sound good though (like all open air filter intake systems).

Pros: sounds good
Cons: minimal hp gain
Vehicle: Volkswagen Golf
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Wix Air filter
sayn3ver
  • Visible dirt:
Rating 2.0

Just received the wix from them the other day myself.

Was disappointed how crushed and uneven the pleats were. Shipping damage? Maybe. The box was in good shape.

I think I installed a "purlator one" last time but it was $16 off Amazon. I feel the build quality was better and honestly I should have looked before ordering. It was installed in 2023 but looked almost new coming out. This is my wife's car and it only gets maybe 5000 miles a year or less on it at the moment.

Next time I'll try denso after the feedback I keep seeing on Reddit and elsewhere for Honda parts.

Cons: crushed pleats, poor quality
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K&N Air filter
rdrcrmatt
  • Visible dirt:
Rating 1.0

I used a K&N on my ALH, turbo was trashed in 15000 miles due to dirt getting through it.

Cons: turbo trashed, dirt getting through
Mileage: 24140 km
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