Reviewed By Philip A (TAVARES, FL) Reviewed for a 2008 Mazda CX-9 —4/30/2014 7:16 AM
It was very easy to install and only had it in for a week or so. See how the fuel milage is in a few weeks with a road trip.
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Reviewed By Bobette B (Wildwood, MO) Reviewed for a 2008 Mazda CX-9 —9/19/2008 8:41 AM
I've used K&N in most of my previous sports cars and performance sedans with excellent results (particulary when paired-up with a free-flowing exhaust updgrade). Given the skyrocketing cost of fuel, I decided to try one in my wifes's '08 Mazda CX-9. To my surprise, the filter resulted in an immediate increase of 2 mpg (mixed loop), and a "seat-of-the-pants" gain in low end acceleration. The 3.7L six even seems to idle a bit quieter. At this rate, payback on the investment in the filter will arrive in 2 1/2 months.