cat back exhuast
http://www.jegs.com/i/JEGS/555/30419/10002/-1
Here's an idle/rev clip on my car:
http://www.youtube.com/watch?v=Xsm7cUZM_ZY
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Also there's no reason you would have to use an ORY. I have Jet Hot's Catted Y and LT's mated to LM1 on my Firebird. And, while it is definitely loud, I like it. And so may the O.P.
One more thing, as well. SLP has had its PowerFlo Catback available for sometime and I've heard great reviews from people using it. So please don't simply rule out all of SLP's options.

Isn't that the one that is basically the "dual/dual" catback that was on Firehawks and optioned SS Camaros? If it is, I can say that it is one quiet system...sounds great but VERY quiet and refined. My Camaro was optioned with the SLP DD.
Magnaflow catback
http://www.youtube.com/watch?v=p4LB_UEmNl8
Hooker catback
http://www.youtube.com/watch?v=DaDNo...eature=related
Both good catbacks and sound good
http://www.slponline.com/view_produc...83&BIG=31083-1
...take a look.









