Thread: What did you do with your Z today
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Old 08-05-2011, 06:58 AM   #4657 (permalink)
SPOHN
A True Z Fanatic
 
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Join Date: Feb 2010
Location: Covington, GA
Age: 45
Posts: 14,844
Drives: Waiting on next Z
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Originally Posted by Footloose301 View Post
Exactly as you put it. They are slightly louder(not much at all) than stock cats, but a lot more powerful. I haven't used HFC's, but my GTM resonated test pipes were ridiculously loud. These Motordyne ART pipes really tame the exhaust note. Its deeper than stock cats too. This is one of the best purchases I've made so far. Supposedly theres a 1500 mile break in period at which they will actually be a bit quieter and deeper. I can't wait. However, I've only gone like 20 miles on them so far. I'll check back with you guys after it gets tuned on the 12th.
Seems like my GTM non resonated TP's where not bad at all. The only time my exhaust got loud and raspy was when I removed the silencers. But I love it. Not for just anyone.
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