Originally Posted by JoePoonani
Greddy SP2 is the quiet exhaust that Greddy makes. Either that or the Greddy EVO series exhausts, the EVO series might have a little too big of a tip for you if you're looking for a smaller one. The Apexi World Sport and World Sport 2 are very quiet exhausts, they get a little louder as you go through the revs which is pretty nice.
I agree. Also another option to add as well, is the RS*R EX Mag, for the quieter choices.