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2003 Ford Focus Air Filters - Custom Fit

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Latest Customer Reviews

K&N Air Filters Reviews


Ford focus K&N filter

Reviewed By Michael c (El Paso, TX) Reviewed for a 2003 Ford Focus —12/17/2011 1:24 PM

As soon as i installed the filter and went for a drive i could tell a big diffrence. The car didnt feel like it was laging anymore.

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Green Air Filters Reviews


Easy BOV sound alternative

Reviewed By Matthew L (Oxnard, CA) Reviewed for a 2013 Ford Focus —3/12/2015 9:29 PM

The boost-dump sound is why most people will be picking this over a K&N or similar filter, so I'll say its definitely a good sound. I was worried about it being too loud and ricey, competing with my Borla Exhaust for attention, but it doesn't. That said, the induction sound is also louder, so if you're not a fan of louder whistling on acceleration, this may not be a good call. That boost-vent though...

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aFe Pro-Dry S Air Filters Reviews


Perfect filter for the perfect price!

Reviewed By Melia P (LAWAI, HI) Reviewed for a 2013 Toyota Tacoma —8/19/2015 1:25 AM

After reading a lot of good reviews on TW I decided I'd want to really try this filter out and see for myself! Let me tell you, I am truly impressed! I noticed a difference from the get go! Throttle response is so much better now and my truck definitely doesn't feel like it's choking. Now I actually feel like I'm moving faster and not so sluggish. I don't really see a difference in MPG but overall I am totally impressed and happy with my purchase and the product!! :)

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