820 hp💣⚠️🔞…new @performmaster kit including larger Turbos pumps out 820 hp & 1070 Nm😳…first Impression are a more brutal power & torque delivery and it delivers endless performance without any issues👌…looking forward to our Autobahn acceleration runs😜😇 #performmaster #amg #amggt #amggt63 #amggt63s #gt63 #gt63s #gt63samg #automanntv