Borla 2016 Chevy Camaro V8 SS AT/MT ATAK Rear Section Exhaust w/o Dual Mode ValvesBorla 2016 Chevy Camaro V8 SS AT MT ATAK Rear Section Exhaust w o Dual Mode Valves This system has dual tips and will fit vehicles equipped with Dual Mode Exhaust (NPP) valves but it does NOT include Dual Mode valves. It may be used with the dual tip lower bumper cover to convert a single, split rear exit to a dual split rear exit. It features unique BORLA(r) 4" carbon fiber tips with bright centers. The ATAK(r) is our most aggressive sounding system.