Originally Posted by Modshack

Again, good luck on that. You may have high expectations as to what "Warranty" will cover and what a dealer will actually put in writing. According to Nissan, your overall warranty is not void with this install, but the part itself is not warrantied. If it fails and takes out an engine, I doubt Nissan will consider that a warranted item. Their position on this is: (Emphasis on the last paragraph)