TwinTurbo.NET: Nissan 300ZX forum - Re: Anyone ever tried exhaust w/ 2 catalytic converters? ...
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Re: Anyone ever tried exhaust w/ 2 catalytic converters? ...
Posted by
danewers
on August 04, 2014 at 11:37 AM
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In Reply To
Anyone ever tried exhaust w/ 2 catalytic converters? ...
posted by David G
on August 03, 2014 at 10:42 PM
Message
I passed CA smog with just the two main cats in place (precats replaced with aftermarket downpipes). As long as everything else is functioning properly it should pass with no issues.
Follow Ups
Anyone ever tried exhaust w/ 2 catalytic converters? ...
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David G
22:42:05 08/03/14
Why? (n/m)
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ConVerTT
23:00:02 08/03/14
You should be able to pass with just two rather than four
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Polish
00:30:29 08/04/14
Some people barely pass even with those methods.
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David G
00:54:07 08/04/14
Fix your issue (n/m)
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Bernie (NoVA)
09:35:03 08/04/14
I just barely pass with those methods
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Polish
13:40:07 08/04/14
Thanks, my Z passes the same as yours...
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David G
02:05:25 08/05/14
I have a feeling...
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-Grimm-
10:15:20 08/04/14
supposedly the outlet temp of the cat should be hotter than
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inf
15:55:45 08/04/14
Re: Anyone ever tried exhaust w/ 2 catalytic converters? ... -
danewers
11:37:41 08/04/14
Why stop at 2? (n/m)
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s3trios
16:25:04 08/04/14
So I for long time couldn't pass emissions
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Carlos Ramirez
18:19:11 08/04/14
My car passed, wondering if additional catalytic would help
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David G
02:00:31 08/05/14
Did the 200 cell cats eliminate the raw fuel smell? (n/m)
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Mr.Stacy
10:41:27 08/05/14
it got rid of around 90% of it ..
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Carlos Ramirez
13:55:48 08/06/14
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