Welcome to RST Speed Haus, home of the quickest Focus ST and Focus RS, where performance meets passion! Established in 2021, we have been excelling rapidly with the ST/RS chassis in recent years but have experience in the platforms dating back to 2014. Dedicated to enhancing your driving experience with the best-performing products and unparallaled service of your Fiesta ST, Focus ST, or Focus RS. We strive to be your greatest source of parts and knowledge for everything from basic maintenance to building a record-setting car.