Originally Posted by Playdrv4me
I didn't think they could void your entire warranty due to one part change as a result of Magnuson-Moss, but in order for them to actually fix the problem you have to return the car to its stock condition (i.e. put the Bosch pump back in, better yet, put it back in before you ever take the car in for service).
Good idea haha.
Most likely the mechanics will know if you modify your car. Especially if its one of the only SRT Xfires being serviced there. Im not sure if I could install the pump on my own. Does it even come with basic instructions?