Fabspeed Mercedes-Benz AMG GT 4.0L V8 Bi-Turbo XperTune Performance Software Accessories & Apparel save weight and add a

save weight and add a throatier more aggressive tone

Thus they may come with less heatshielding than pictured

making shifts crisper and more responsive

Fits all Porsche 970 Panamera S vehicles (2010-2013)

The 996 GT3 Maxflo Performance Exhaust replaces the factory mufflers

Fabspeed Mercedes-Benz AMG GT 4.0L V8 Bi-Turbo XperTune Performance Software Accessories & Apparel save weight and add aPerformance ECU software upgrade improves horsepower, torque, and driving characteristics of the AMG GT's M178 4. 0L V8 Bi Turbo Engine by reprogramming various sensor inputs, air fuel ratios, and boost pressure. NOTE: This is not a physical shipped product. This upgrade requires you to send us your ECU for re programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out. Special requests