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http://s4.zetaboards.com/lexusaltezzaclub/topic/1148393/1/#new



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De-cat
Topic Started: Jul 20 2012, 03:08 PM (2,356 Views)
silverhelix
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So coming back to this thread again... :rolleyes:
I really want to get the wider pre-cat in, it has a noticable performance increase yet adds more than 10db to my overall system.

Question is will a sports cat keep the flow and help me out with the noise or am I just dreaming?
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Tezz-Winnie
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You either have performance or luxury.... Up to you.
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silverhelix
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Yeah current 82DB without wide pre-cat on the legal limit with the wider pre-cat 94DB.
If adding the sports cat would keep it under 90DB I'd make the change...
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Soiled Altezza
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Add a resonator in there instead of a cat, will keep the noise down.
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Garage: http://altezza.dualzdesigns.com/viewcar.ph...wner=17&frmpg=0
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