Cleenaire CEAF1 Engine and Cabin Air Filter Combo Pack Kit for Skyactive 14 to Current Mazda 3, Mazda 6, Mazda CX-5 - White Combining The CAF4561 and EAF11712 For One Easy Mazda Filter Maintenance For Both Your Cabin and Engine Both Filters Are 100% Guaranteed To Meet or Exceed Manufacture Standards Installation Video Link Is Provided With Each Filter Mazda 3 Sport Owners- Please Confirm Your Vehicle Uses PE07-13-3A0A, Mazda Makes Two Different Engine Filters For This Car Note:14 Mazda 3 Sport uses Cleenaire CAF4616 cabin filters and this bundle is not applicable, 15 16 Mazda 3i Sport confirm you vehicle uses <span class="a-text-bold">Increase Fuel Efficiency</span> / <span class="a-text-bold">Reduce Emissions</span> - Having a dirty engine air filter can reduce air flow to the engine - causing the emission control system to use an incorrect air-fuel mixture. This can greatly affect the performance of your vehicle, and decrease MPG. A Clean, Tight Fitting, High Grade Filter will get you an<span class="a-text-bold"> extra 1.5 to 2.5 mpg</span> over a dirty filter. <span class="a-text-bold">Prolong Engine Life</span> - Using a good engine air filter will prevent damaging debris and other contaminants from entering internal engine parts. Engine damage can occur from particles as small as a grain of salt. Health - Breathing in hundreds of toxins and allergens is obviously not good for our bodies. Using a quality cabin air filter will greatly reduce these toxins giving you and your passengers truely clean air.