Specs & Details '10 Nissan 370Z Engine Modifications Amuse R1 titanium front pipe, R1 Sports-Cat catalysts, R1 Titan Extra STTI titanium exhaust system and Hi Tech-Rom ECU ...

Well, with the 380RS boasting 100cc more engine capacity and 36kW more than the 370Z the result is probably a bit of a no-brainer. The words "chalk" and "cheese" come to mind.