jimlloyd40
Autocross Champion
- Location
- Phoenix
- Car(s)
- 2018 SE DSG
I've had the Neuspeed CEL Free downpipe for over 4 years... expensive, but never had a CEL based on downpipe.
As long as when you scan your car it shows the "readiness" state is okay and you don't have to pass an actual smog test you won't have to change it.