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  1. Anyone using Brisk Performance spark plugs?

    F150 Ecoboost Maintenance
    Looking for reviews from folks using Brisk spark plugs. It's time to replace the plugs in my 2012 F-150 ecoboost 3.5 I'm looking into upgrading to achieve better fuel economy while increasing overall performance. I want to install "Premium EVO Brisk spark plugs" (RR15BSXC) Any reviews or advise...