well i have my is 250 and i got a tanabe medallion exhaust on it with my suspnension and my tanabe intake all in hopupracing.com or l-tunedparts.com but hopupracing is way cheaper i like my sound of the tanabe its quiet or should i say sounds like the g35 but hen i floor it, it sounds great i had it for 6 months and i love it recommended for the exhaust plus it looks great