Well, I have a CARB tech friend who is able to pass my cars regardless, but if I do ever need to do a legal smog check or if I have to take the car in for any warranty work, I’ll swap on my OEM downpipe that will be on my shelf. I just live in an area where cops are very much against car...
I want a stock downpipe for my 2017 Ecoboost. I want to make a stealthy catless downpipe for California's crappy smog laws, so it can be working or not. I would just prefer it's not all cut up. Willing to drive anywhere in central or southern California. I also don't mind paying shipping if it's...