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      07-27-2012, 02:39 PM   #24
1911A145
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Drives: 135i
Join Date: Mar 2012
Location: Port Saint Lucie, FL

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Quote:
Originally Posted by TheSt|G View Post
I would focus on the primary cats instead. Secondaries are only a 200-400 cell, much like a race cat, and won't yield as much.
I wouldnt rule them out so fast. I piped mine out on the 135 and the drivers side secondary cat was partially clogged. the better the flow...
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