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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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Spectre Air Filter Reviews


Great value

Reviewed By Eddie T (ABILENE, TX) Reviewed for a 2008 Toyota Avalon —6/26/2016 8:42 PM

Out of the box it popped right in perfect fit. I noticed an immediate result in how smoothly the car accelerated and to to my surprise the transmission even shifted smoother. I am quite pleased!

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