im trying to decide on which exhaust i want to get for my car and right now im leaning toward the RB cat back or the Greddy SP. i was wondering if anyone who has the RB exhaust or the Greddy SP could tell me their thoughts on it and an idea of how loud each is. any help would be greatly appreciated.

 

I've had a Greddy SP on my car for six years, mostly because it was the quietest CB out of the vast majority I've heard. Only the RB dual and a Tanabe exhaust (can't remember the spec) were quieter, and the Tanabe only in different rpms; both were too pricey for me to make a switch, and I disliked the fart can appearance of the Tanabe (although I also disliked the slightly ricey exhaust tip of the SP). The Greddy has a nice deep tone.

However, that changed when I got into the recent GB on RB duals. Now have an RB dual, and love it. Far quieter than any other exhaust at anything under half throttle, so I don't have to put up with the droning that even the Greddy SP suffered from on the highway. I can actually carry on a conversation with a passenger without shouting, and listen to my stereo without cranking up the volume to ear-damaging levels. And yet, the RB dual has a nice raspy scream to it at full honk.

 

Isn't there a post a week about this same topic?

Where is that exhaust thread........

 

I've got the RB dual tip. I've also got a downpipe and highflow cat. Car sounds GREAT. When I bought the car, there was a huge can with a grapefruit shooter on the end. It made a lot of droning noise and was basically annoying.

The RB is much quieter than straight through, a little louder than stock. It has a slightly raspy-metallic burble on idle. When you open the throttle though, you're gonna love the symphony coming outta your car. Racing Beat is the BEST.