2010, 2011 & 2012 Mazda 3 2.5L Air Intake Installation Video 69-6013 - YouTube
See how easy it is to add a K&N air intake to the 2010 Mazda 3 with the 2.5L engine - 69-6013TTK http://www.knfilters.com/search/produ... K&N dynamometer tests show an estimated 6.67 horsepower gain at 5600 RPM with use of this K&N air intake modification...