[s-cars] RE: Need a mellow performance muffler!

[Robert Pastore]

FWIW, I am a huge fan of Magnaflow mufflers.   Also FYI, the Stromung system
(at least the early version I have) uses Magnaflow mufflers.

The shop I use www.mufflex.com is in Trenton NJ and I would highly recommend
them.  Denny, the owner, is a Porsche club racer and avid drag racer and
only does performance work.   Interestingly, he is now recommending a
muffler called Spin-tech www.spintechmufflers.com (site seems to be down
today).  He explained that the sound dampening technology this muffler uses
works a lot like an oil separator, basically running the exhaust into a
cyclone like spiral, and the sound waves can't make the turns and cancel
each other out.  He went on to say that it was very low restriction, and was
a hot setup in several racing classes. Also that they work well in
conjunction with a magnaflow (if the customer felt the magnaflow was still
too loud) because it used a completely different technology that would
dampen different frequency sounds.................Well, I kind of though the
name sounded cheesy (reminds me of stop-tech) and I'd never heard of this
kind of muffler.    Then a few months ago, I bought a book from Chris Miller
(BTW- he's the editor @ Bentley) called "Scientific design of intake and
exhaust systems", and wouldn't you know it, this technology is thoroughly
discussed in the book.

This might be a good choice as a second muffler for anyone who has installed
a performance exhaust and thinks it is too loud.

Bob



-----Original Message-----
From: Timothy Lynch [mailto:tlynch at aquaengr.com]
Sent: Wednesday, September 04, 2002 2:06 PM
To: s-car-list at audifans.com
Subject: [s-cars] RE: Need a mellow performance muffler!


This is a multi-part message in MIME format.
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[ Picked text/plain from multipart/alternative ]
I had the local muffler shop fabricate a Y-Pipe to a single 3" back to a
MagnaFlow muffler for around $300.  The sound is very nice - slightly
louder than stock in the cabin but not headache loud, and much
throatier, aggressive sounding outside!  I have had a Dynomax muffler
before as well and prefer the MagnaFlow.  Definitely not as shiny as the
Stromung, Strebro, and Borla, but also only costs 1/5 of the price!  Let
me know if you need photos.

Tim Lynch
1992 Audi S4


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