The Mk8 Ford Fiesta ST is a hot hatch lover's dream but can it be improved? Mountune’s performance enhancements bring the power up to 225PS thanks to a new airbox, air filter and ECU. The car also sits lower to the ground and has various styling updates. But do these modifications do enough? #gwfirst Official Website 👉 http://www.goodwood.com/grr/ Facebook 👉 / goodwoodrrc Instagram 👉 / goodwoodrrc Twitter 👉 / goodwoodrrc SUBSCRIBE for more racing cars, supercars, new car reviews, historic motorsport and Goodwood event coverage 👉 http://bit.ly/GoodwoodTV Buy your Goodwood Event tickets 👉 http://bit.ly/GWBuyTickets