GMSs innovative designs allow the Company to be the premier name in the market. GMS innovations include the first aftermarket F-body torque arm, the first and only calibrated 200 MPH speedometer for the aftermarket, the first silicone radiator hose kits and most importantly Granatelli was the first company to produce a 50 state legal centrifugal supercharger system and then the first to achieve 50 state legal status on their Novi-2000 supercharge which proved to produce an excess of 1000 horsepower. Today, GMS offers impressive performance innovations including the worlds fastest and most sophisticated flash tool, the worlds only S197 calibrated mass airflow sensor, the worlds only 4th generation F-body 200MPH speedometer conversion and the worlds most powerful S197 Mustang and C5 & C6 Corvette turbo systems.
The Granatelli name has been associated with speed for more than seventy years. GMS spends countless hours performing engineering evaluations and precision testing to ensure its customers innovative products and advanced automotive solutions. GMS offers professional installations that are consistent with the Companys high standards. GMS helped establish the standards set forth by the California Air Resources Board (CARB) enabling the Company to secure approval for many companies in the aftermarket manufacturing forced induction systems, camshafts, exhaust systems, cylinder heads and mass airflow sensors.