Ford Focus RS Forum banner


  1. Octane Booster FAQ - Whats your plan to hit 93 octane.

    Focus RS Discussions
    This thread is to help those of us that only have access to 91 octane or below at the pump. I am starting a FAQ related to how we can get the most performance. 1.) What is the BEST octane booster to lvl up from 91 to 93. Price does not matter for #1. If possible, post links to purchase the...