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beemteam1001 09-03-2008 09:09 PM

i got a AA tuning high flow cat and from the headers to the new cat is all stock pipes.
Should i upgrade them for more airflow and will it give it better sound?


blueapplesoda 09-06-2008 12:40 PM

bigger the tubing bigger the sound

ModBargains 09-10-2008 07:01 PM


Originally Posted by blueapplesoda (Post 8492939)
bigger the tubing bigger the sound

And bigger performance:thumbsup:. You might also want to look into getting a cat back exhaust. Let me know if I can help you out with anything.

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