GT Haus Mercedes-Benz W221 S-Class Sedan S63 AMG NA V8 [525 HP] Sedan [-2010]
This system includes: Rear Muffler(s) only(SUS).
Complete GTC Control Kit Included.
This system is equipped with a full GTC Valve Management Kit, which includes two wireless remote controllers, a signal transmitter, and all necessary installation hardware required for seamless operation of the GTC valves.