World's Most Powerful SLS AMG will Come From Weistec Engineering
7 Aug 2013, 12:28 UTC · By: Alex Oagana / Back in 2012 we told you about the SLS 750 supercharger kit from Weistec Engineering. The beastly conversion kit provided up to 750 horsepower and 900 Nm (664 ft/lb) of torque to the already powerfu...