Jon E.,
Shoreline, Washington
Filter rocks. Never need to get a new one once this is installed and my next purchase will be the air intake.
Jay Smith,
Fresno, California
2011 Mazda6, 2.5 auto pulled 32 mpg from Fresno to San Diego, AC on, and hauling butt. I also have one in my 84 BMW 325e, 2.7 5spd. 30+ freeway, all day long.