". . . but it seems EC regulations precluded fitment of the sporty sounding pipes the 370Z is blessed with in the US. According to Steve the US-spec exhaust may be offered through Nissan dealers with a ‘circuit use only’ warning, in which case you’ll naturally want to use it on the road."
Wow, sucks to be living in the EU! Our stock exhaust is a 'track-use only' upgrade for them?