Air filter K&N or Wix

K&N Air filter
InfamousGhost198
  • Visible dirt:
Rating 4.0

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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K&N Air filter

I've got a K&N filter in my '22 Sport 2.0T. No issues at the dealer, never even brought up.

Pros: no issues, good filter
Vehicle: Honda Accord
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K&N Air filter

I have and like the K&N filter that drops in the factory housing, i like that you can just clean it and put it back in. You won’t notice any difference power or fuel milage wise.

Pros: easy to clean
Cons: no power/mileage difference
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K&N Air filter
SRG590
  • Throttle response:
Rating 4.5

I had a 2014 Ford fusion with a 2.5l engine and put one in and I could definitely notice a difference. Plus it is a lifetime filter so you'd never have to replace it again. Only clean and refill with oil.

Pros: noticeable difference, lifetime filter
Vehicle: Ford Fusion
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K&N Air filter

You could look at a K&N drop in filter. They flow better and can give a little performance boost.

Pros: flow better, performance boost
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K&N Air filter
Savvv
  • Power:
Rating 3.0

My intake parts showed up yesterday and today. Here they are installed: Under normal driving conditions you’d never notice it’s there. Not until you go WOT and get up above 3-3500rpm does the lovely VR gurgle kick in. Can’t tell a difference in power from the butt dyno but I also wasn’t going WOT on stock intake right before I swapped it. I may get skippy and run some data logs and see what the MAF is reading. I will also report back after some normal driving what the fuel consumption change is, if any.

Pros: lovely VR gurgle
Cons: no power difference
Vehicle: Volkswagen
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K&N Air filter
st9248
  • Power:
Rating 3.0

I recently replaced my filter with a K&N. I was hoping for a little more felt power and better fuel economy. I've had my 2010 Prius IV for 4 years and have put over 60k miles on it so I'm pretty "in tune" with it. I haven't noticed any difference in either area.

Cons: no difference
Mileage: 60000 km
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K&N Air filter

Second, these things suck! Buy a Non-Oiled cold air intake instead. If this is a Planted ad, K&N even has one, I have it on my TRDOR. Third, I am a dealer parts guy as my career... And, yes, I Know better. And yet I STILL over oiled my K&N filter and killed an expensive Mass Air Flow sensor on my truck. So I will Never use an oiled filter again. Old technology, imho.

Cons: killed MAF sensor
Vehicle: Toyota
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K&N Air filter
LHalperSantos
  • Visible dirt:
Rating 2.0

All the MAF stuff aside, I've never been a fan. I've seen people with diesel trucks running that have collapsed and sucked into the intake tube. Granted our trucks don't have turbos, but that alone makes me question their quality. Plus I fear a more "open" filter would allow more particles. I'll keep my stock pleated filter.

Cons: poor quality, allows more particles
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