McLaren MP4-12C XperTune Performance Software Exterior Fabspeed Motorsport Maxflo Muffler Exhaust

Fabspeed Motorsport Maxflo Muffler Exhaust System replaces your restrictive factory Porsche center muffler and factory secondary side mufflers with 1 MAXFLO muffler mounted directly behind the license plate frame on all 964 cars worldwide

Aggressive track-designed exhaust system providing maximum flow and power

fantastically daily-driveable sound and power from Fabspeed's Supersport X-Pipe Exhaust System and Sport Headers with a Quad-Style Tips or GT2-Style Tips

You must review and complete our XperTune ECU Tuning Guide from the Installation Instruction link above and email the ECU Tuning Information form to us

throttle response

McLaren MP4-12C XperTune Performance Software Exterior Fabspeed Motorsport Maxflo Muffler ExhaustXperTune Performance software upgrade improves horsepower, torque, and driving characteristics of the McLaren MP4 12C by reprogramming various sensor inputs, air fuel ratios, and boost pressure. Achieve maximum power from the 3. 8L Twin Turbo V8 without sacrificing driveability or reliability by optimizing the engine's performance. Greatly enhances the power and dynamic performance and driveability of this wonderful vehicle. Maps are available for