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  1. 2014-2018 Mazda 3 Skyactiv How-To Guides
    Filter minder is meant for extended air filters change, so if it detects too much vacuum it will warm you to change, instead of wasting a perfectly good filter. Tools you will need: -Drill -11/16" spade drill bit -Filter minder itself -Rubber gasket which comes with filter minder NOTE: my...
  2. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    On my stock air intake I installed a k&n filter minder. Did a run a WOT, minder is at 75%. The filter and vehicle has only 800 miles on it. So, that is about 5-7 inches of water restriction. Not sure how much of the restriction is the filter, or the intake box and ducting. The air intake set up...
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