Check this out, Edo Competition reveals the completely revamped Maserati MC 12. It has the new exhaust headers like the one on Ferrari FXX, highflow catalytic converter, performance muffler, modified intake system, and ECU recalibration, increasing 70horsepower. Video after the break.

Stainless steel muffler with adjustable remote-controlled butterfly-valve, new exhaust tips. Exhaust sound level adjustable at the push of a button.