After buying a 370z..

Originally Posted by BC416

I have my first real mod waiting to be installed once the weather clears up. Cat-back exhaust really makes these cars sound like they should from the factory.

It all depends on what you want out of the car though. A lot of people throw on an oil cooler so they can track the car for extended periods of time. Do you plan on doing any auto-x or HPDE events? Your needs might be different if you do.