Originally Posted by TeHJuSTiN
The S2000's dual exhaust is for style, not performance. I won't help performance at all, it'll probably hurt it. Any time you have a y-pipe welded/installed, then it's going to make the exhaust more restrictive.
I doubt it's for style, honda would not list a car at around 30k and have something just for "style." It's a performance mod by honda and not everytime you have a y-pipe is it restrictive it all depends on the application