Will putting a catted down pipe on my CTR trigger a sensor?

[2019SiOldGuy]

Just wanna keep my ECU clear. So does a downpipe require a flashpro? Thanks Brian

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[shadow]

It may depend on the brand of catted downpipe you install. I have an RV6 catted downpipe and have no CEL.

 

[Re-spect]

It may depend on the brand of catted downpipe you install. I have an RV6 catted downpipe and have no CEL.

Agreed, I have the RV6 catless with no CEL also.

 

[AdamD19DFK8]

Put a PRL catted , intercooler, intake and exhaust all before i got flashpro and I never got a CEL. Only time I've ever seen one was when I forgot to disable the afm voltage limit in my tune.

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