Flat Six Motorworks is a full service race preparation and tuning facility located at 5141 NW 79th Ave Doral, FL 33166. In addition to race prep and tuning, Flat Six Motorworks offers factory-level service for Porsche, Lamborghini, Audi, and Ferrari models. Flat Six Motorworks is certified conversion center for GMG Racing and an authorized dealer of all RaceTech, RaceKeeper, Endless Brakes, Braille Battery and RennTECH products. Flat Six Motorworks also races Porsche 911 GT3 Cup cars in SCCA, NASA, PCA, and other racing organizations.