Quote Originally Posted by Lewy View Post
Will this not effect you warranty??
If its a piggy back system like most are these days its as simple as unplugging it and re-plugging the factory unit back in before heading back to nissan and they wont know any different. The good thing about these chips is tuneability if you get someone who has the software and knows what they are doing they should be able to make it even better than what you have now. It probably has a generic tune in it which will be better than stock but with a little tweaking can be much better.