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      10-31-2012, 05:30 PM   #18
mike519
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Drives: 2018 M240i
Join Date: Apr 2012
Location: Waterloo, Ontario

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Quote:
Originally Posted by Finnegan View Post
^ This.

X-pipe removes the resonated stock x-pipe section, and adds some pops/burbles and is as InTgr8 says, deeper and a bit louder. But it's more about sound detail (those pops and burbles).

The Supersprint Sport is more liveable than the RPI IMO. All very subjective, but the RPI is always turned up to 11, whereas this doesn't hit that volume level, and the sound level can be modulated more. When you're on it it's on but when you want it to be there, but a bit more stealth, it can do that too.

If you want something really loud, really always on, and really exotic sounding the RPI is the ticket. I think it would be hard to live with in a daily driver or on longer trips, but then again it's all about what you are looking for, not what I like. It sounds absolutely amazing, but it's the antithesis of stealth.

Have you looked at the results of "Exhaust 'Fest" we ran here last spring? There are sound clips (standing and passing), as well as db levels and subjective commentary that may be quite helpful. Here's a link. While the Diablo I was running at the time came in at about the same DB, the only thing I could hear running through a tunnel with the RPI behind me was the RPI! The tone and higher pitch just overwhelmed the Diablo, which isn't quiet by any means.
Yeah, I did watch the results on youtube. It was quite interesting, though its still tough to get a true sense until you can "feel" the sound as well. As a side note, I've seen shuttle launches on video for years but until we were at the VIP launch site for STS-123 in 2008, and the crackling could be felt deep in your chest, I had no sense of the true sound of that thing!

I think I have now ruled out the RPIs. I can live with loud around town but do enjoy roadtrips and think it wold get old real fast.

I am going to hear Mirko's Stromung tomorrow night. I had been looking at the Diablos as well but understand there is some drone there. I'd love the Eisenmanns but they are a little out of my price range for now.

So, back to these SS's. Would it make sense to pick them up as just mufflers for now then add the X pipe later if I want to add more oomph? Do the mufflers on their own easier bolt up to stock exhaust? Is it easy to ad on the X pipe later?

Thanks for everyone's input!
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