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2004 Subaru Impreza Air Filters - Custom Fit

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Latest Customer Reviews

K&N Air Filters Reviews


K&N drop in

Reviewed By Sheldon V (La Mesa, CA) Reviewed for a 2004 Subaru Impreza —12/20/2010 8:09 PM

great filter. great price and replacement for a cai. i could tell the difference once installed.

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Green Air Filters Reviews


Green air filter in 05 impreza 2.5RS

Reviewed By Ryan W (Brecksville, OH) Reviewed for a 2005 Subaru Impreza —10/20/2005 4:06 AM

I noticed increased midrange and high end power with this filter, which definitley helps with merging into freeway traffic. In the two tankfuls that I have had it, I have noticed a 7% decrease in fuel efficiency, but that could just be due to my ECU adujusting to the higher air flow.

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aFe Air Filters Reviews


2002 Lexus IS300 - snappier response

Reviewed By James M (AZLE, TX) Reviewed for a 2002 Lexus IS 300 —11/16/2018 8:19 PM

I bought this to replace an old worn out k&n that fouled out my MAF. THIS AIR FILTER IS HUGE and fits like a glove. I can feel a snappier response on shifting and the engine breathes much easier at higher RPMS.

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