MCLAREN 600LT "MSO" SUPER SPORT EXHAUST - EXCELLENT SOUND! 13HA044RP - OEM.  NEW 
Unlike the stock OEM system the super sports exhaust is not limited by valves, resulting in a louder and better sounding system at low revs. This system is also manufactured by McLaren and is much lighter than the stock exhaust.
Comes with heat shield and clamps