All the things that you like about the Standard Boost Controller with the added ability to switch between 2 pre-set boost levels from inside the cabin of your SRT-4 - even when under full boost!  The Turbo XS Dual Stage Boost Controller is installed in line with the pressure hose running from the positive pressure side of the turbo to the waste gate actuator system. A switch is wired back to the cabin to switch between boost levels. The switch is lit when on high boost.****FREE GROUND SHIPPING****