MST 2008-2016+ Ford Replacement style intake system (FO-MK309)

LEAD TIME IS APPROXIMATELY 2 WEEKS Please note, MST Performance Intakes/Inlets are NOT CARB COMPLIANT and are for off road and racing use only. By purchasing an MST Performance intake, you understand that these may only be used for off road and racing use only for unregistered vehicles. Please check with your local, state, and federal laws to see if these products are legal for use in your area. By purchasing an MST Performance product, you understand and agree to these terms and accept all liability.  #Easy to install   Install on the downside of stock air box and isolation the heat air#Easy to clean        MST Dry air filter, oil free use, washable How to clean the MST air filter?  #More Powerful After dyno test  On Ford Focus mk3.5 1.5 ecoboost engine +13.1hps @ 5550rpm / +1.7kg-m @ 5550rpm On Ford Focus ST mk3 +21.7hps @ 4615rpm / +3.4kg-m @ 4615rpm#Two way use Take the filter rubber off, then get the sound and get more horsepower from the big air flow.2. Keep the filter rubber on