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      09-13-2013, 07:35 PM   #2
ZStig
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Drives: Interlagos Z4MR
Join Date: Jun 2008
Location: Delray Beach, FL

iTrader: (4)

you can go fairly open flow in the cats and section one, and it will be fairly tame in volume and without drone, if you don't go messing with the crosspipe part and the mufflers.

What dimentions do you need on the secondary cats?
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