MAHLE FluidPRO VOX-14HD Oil Exchange SystemMAHLE FluidPRO VOX 14HD Oil Exchange System The Mahle FluidPRO VOX 14HD Oil Exchange System is a revolutionary system that dramatically reduces your labor time and costs. The oil change process is virtually automatic, which allows your technicians to perform other tasks while changing oil. Additionally, with Mahle's Quick Oil Change Technology, a 40 quart oil change can be completed in about 15 minutes, saving you approximately 40 minutes on every oil