SuperFlow® is a global engineering leader specializing in test and remanufacturing equipment for vehicle drivelines. Owned an ... d operated by Power Test, Inc, SuperFlow® serves performance engine builders, engine, and transmission remanufacturers, the U.S. Military and allies worldwide, technical schools, race teams, speed shops, universities, and leading automotive manufacturers to produce powerful and efficient vehicles. Our commitment to providing the best products and service at a great value has given us the opportunity to work with some of the most notable companies in the automotive industry. Come see why thousands of businesses have already chosen SuperFlow® for all of their testing needs. read more