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Old 01-05-2013, 07:22 AM   #9
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Originally Posted by jdubhack View Post
Stock is 2.5". Most aftermarket (FSWerks, Borla, Magnaflow) are offering 3". They just missed the boat.
Here's Buschur's rational behind using 2 1/2" vs. 3":

1. A 3" weighs more.
2. A 3" costs more.
3. The ST's engine will never produce enough power that upping to 3" from 2 1/2" is worth what you give up in weight and cost.

Here's a link to their post:
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