These Nissan 350Z performance exhausts are made in 2.5"/63.5mm bore pipework and fit from the manifolds to the y-section.
The sports cat exhaust option will enable you to pass a UK MOT emissions test or police road side checks.
The de-cat sports exhaust option is sold for motorsport and off road use only and will NOT be able to pass a UK MOT emissions test or police road side checks.