Synapse Engineering is a boost-loving, horsepower-making company that develops cutting edge performance products that make you go WTF??!!!!? In 1999, we released the industry Missing Link to bring reliability to turbo kits. It is this same solutions-driven philosophy that is designed into our line of wastegates, blow-off valves and fuel pressure regulators. In 2005 the Synchronic technology was recognized for innovation with the award of patent 6,863,260.