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#12: 10-27-2012, 11:27 PM
 
 Bassnectar
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get a high flow cat based on the size of your exhaust,

Ie i have a 2.5 inch catback, I am getting a 2.5 inch high flow cat and having it welded into the catback.

if the magnaflow one is the one I am thinking of it includes the tubing that's not really necessary if you know someone who can weld.