a dealership CAN NOT VOID YOUR ENTIRE WARRANTY
All they can do is refuse service if and only if the modified part causes a problem. And they have to be able to prove that the aftermarket part is the reason another part failed. IE: if you do suspension work and your window motor craps out they cannot refuse service on the window motor.
http://en.wikipedia.org/wiki/Magnuson-Moss_Warranty_Act
All they can do is refuse service if and only if the modified part causes a problem. And they have to be able to prove that the aftermarket part is the reason another part failed. IE: if you do suspension work and your window motor craps out they cannot refuse service on the window motor.
http://en.wikipedia.org/wiki/Magnuson-Moss_Warranty_Act