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      06-14-2009, 11:32 PM   #7
Slidewayz
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Drives: 2007 335i
Join Date: Jan 2009
Location: Oakland, CA

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Quote:
Originally Posted by scottp999 View Post
Do some datalogging of stage 2 and stage 3. High flow cats flow at about double the CFM of stock.
Are there such things as high flow cats for the secondary cats (not the DP cats) ? If so, I'm down.

I've asked the question before and received deafening silence as a reply.
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