Miata Parts, Intakes, Superchargers, Headers, Exhausts, Shocks, Springs, Sway Bars, Brake Kits, Autocross and track mods.
Will the street header upgrade pass smog test in california. If not what upgrades can i do to my car to. Make the exhaust better and increase ☝
- Posts: 2
- Joined: Fri Aug 11, 2017 11:06 am
The Street header does not have a CARB exemption number. Thus, it passes tailpipe sniff tests easily but fails the visual. Midpipe also has a cat from the factory, so no CARB choice there. That leaves muffler and our AEM intake as your legal CARB certified intake/exhaust mods.
- Site Admin
- Posts: 7900
- Joined: Tue Feb 15, 2005 11:44 am
- Location: San Diego CA
Return to Mazda Miata and Fiat 124
Who is online
Users browsing this forum: No registered users and 8 guests