Vibrant 7100 HFC for midpipe (secondary cat replacement)
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12-09-2012, 11:05 PM
Drives: BMW 335i Coupe
Join Date: Apr 2012
Originally Posted by
Hmm, what's the cell density of the stock secondary cats?
I think the cell density on the stock ones are around 600 cpsi. For comparison, high-flow cats are 100 - 200 cpsi.
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