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      04-17-2012, 03:27 AM   #5
enrita
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Drives: 335i - Big turbos
Join Date: Sep 2008
Location: Italian in Sweden

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Quote:
Originally Posted by Chicks-Love-Bimmers View Post
Meth is definitely on my list, but I'd like to just go FBO before I do that and sound is what I want as well. Are there any performance gains and any noticeable change in the exhaust by replacing the secondary cats?
gains not that much. Get meth instead.
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