ARMYTRIX Titanium Valvetronic Exhaust System McLaren MP4-12C | 650S 2012-2016ARMYTRIX Titanium Valvetronic Exhaust System McLaren MP4 12C 650S 2012 2016 ARMYTRIX Titanium Valvetronic Exhaust System McLaren MP4 12C 650S 2012 2016 The prime example of British race engineering, defending the honor of the empire, the McLaren with its M828T engine is surely a knight in shining armor. The infusion of weapons grade titanium into the McLaren exhaust setup drastically raises the performance to another level. The unrestricted design