Thread: I gutted my cat
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      05-19-2019, 06:20 PM   #21
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Drives: 2015 F32 435i
Join Date: Oct 2018
Location: Bay Area, CA

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Originally Posted by Zanity View Post
The blue smog is from the civics leaking gasket, my exhaust has no smoke, no color, and all of it is coming out from the tips. I just put the whole car back together, time to go for a drive and grab some food, I will report back if the CEL trips, currently there is no CEL at all so I'm very happy
Yup, I remember him doing some valve gasket work but that didn't solve the oil leak problem, which caused the blue colored smog from the exhaust pipe. My apology for making it sounded like catless would create the blue smog for sure.

I am surprised there's no color on yours. Just a random thought, is the Canadian model the same as US? I recall reading something about US models can have more power than EU models, due to the regulation, but not sure about Canada.

Please report back if the CEL triggers, pretty surprised it didn't come on right after the install