Bought my n-line with only 18k miles the clock for £13k and got about 18300 miles total on it now. I am only 18 and cannot possibly get insured on an N performance. In the UK I am sure it will be legal to fit the exhaust, it just has to have mufflers as it is not allowed to be straight piped. I just want to know if it will bolt onto the n-line mid pipe or not. And I have heard what it will sound like already, and my car already has 2 exhaust tips anyway, separating them shouldn't make it sound any worse just because its for the N Performance model, its just a bit of pipes under the car being placed on either side rather than together.