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      08-18-2012, 12:05 AM   #8
BMRLVR
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Drives: 2011 E90 M3,1994 Euro E36 M3/4
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Location: Fort McMurray, Alberta, Canada

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Quote:
Originally Posted by aus View Post
I wish I knew about the 200cpi cats before I got my system. I don't want to spend the $$$ for another Akra X-pipe. Thanks for the info; I'm sure it'll help someone out there.

Why wouldn't the 200cpi cats help cut down on the soot? I figured it would have double the surface area???

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I would think that you could sell your used Akra X-pipe for a good dollar and then it wouldn't cost you too much for the 200 CPI version.

The metal catalyst substrate used in performance applications such as these are not well suited to soot reduction..... In fact most catalyst are not really good with dealing with soot (particulate matter) hence the addition of DPF's in diesels now a days.

Soot is mostly related to a mixture that is too rich and the soot you see is a result of unburned fuel, basically your software is contributing more to your soot issue than your 100CPI cats are.
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