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.
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.