Akrapovic Wireless Sound Kit for Porsche Boxster and Cayman (981) mercedes-benz-clk-class--209---2004-2010--clk-63-amg-esr9002317 RENNtech ECU HHT (HandHeldTuner) for

RENNtech ECU HHT (HandHeldTuner) for the C215 - CL55 AMG Kompressor

550 LB-FT @ 4

CLASS S (W 220) 55 AMG V8 [2 Filters Required] (HP: 360 | Year: 99 > 02)

Rated by RENNtech:                675 HP @ 6

Akrapovic Wireless Sound Kit for Porsche Boxster and Cayman (981) mercedes-benz-clk-class--209---2004-2010--clk-63-amg-esr9002317 RENNtech ECU HHT (HandHeldTuner) forAkrapovic Wireless Sound Kit for Porsche Boxster and Cayman (981) The optional Akrapovi Sound Kit enables owners of selected Akrapovi car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovi technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver to drive the actuators that open or close the valves at the end of the exhaust system, drivers can use the Sound