DoomStang
Active Member
- Joined
- Apr 9, 2017
- Threads
- 2
- Messages
- 31
- Reaction score
- 3
- Location
- Los Angeles CA
- First Name
- Steven
- Vehicle(s)
- Black S550 i4 PP 2015
- Thread starter
- #16
I never tried because my 2015 mustang next smog check in CA would be 2021do you know if the downpipe will pass CA smog?