Fabspeed Mercedes-Benz AMG 43 3.0L V6 Bi-Turbo XperTune Performance Software Accessories & Apparel based on over 30 years

based on over 30 years of Motorsport design and quality

Direct replacement for the OEM Porsche secondary muffler

making them the best upgrade for street driving and emissions compliance

These improvements deliver an additional 35+ wheel HP

or simply achieving an aggressive and exciting street sound

Fabspeed Mercedes-Benz AMG 43 3.0L V6 Bi-Turbo XperTune Performance Software Accessories & Apparel based on over 30 yearsPerformance ECU software upgrade improves horsepower, torque, and driving characteristics of the M276 3. 0L V6 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 and tune