This Axle-Back system includes the AFM valves but does not include the NPP valves. It should be used on vehicles that are not equipped with NPP. Some optional systems are listed below as well as systems with NPP and systems without AFM or NPP.
*** Borla's C7 Corvette Axle-Back exhaust systems are covered under our Million-Mile Warranty for non-moving parts, the exhaust valves are warrantied for 3 years. Failures of original equipment AFM and NPP actuators are not covered by the Borla® warranty***