Ford Mustang Smog Check
Ford Mustang (gas) in California requires a standard biennial smog inspection at any BAR-licensed station. Key tip: Aftermarket exhaust without CARB EO# = visual fail. Stock Mustang passes well.
Smog tips for Ford Mustang owners
Aftermarket exhaust without CARB EO# = visual fail. Stock Mustang passes well.
For full Ford smog requirements, including hybrid + PHEV + BEV variants, see our Ford smog check guide.
Common questions
Where can I get a smog check for my Ford Mustang?
Any of our 15 BAR-licensed STAR-certified locations in San Diego, Riverside, Orange, and Los Angeles counties handle Ford Mustang smog inspections. Walk-ins welcome — 15-25 minute inspections. Same-day DMV cert filing.
What's the common reason a Ford Mustang fails smog?
Aftermarket exhaust without CARB EO# = visual fail. Stock Mustang passes well.
How much does a Ford Mustang smog check cost?
$55-$85 plus the $8.25 California state certificate fee. Ford Mustang hybrid + PHEV variants are same pricing. BEV (100% electric) variants are exempt — no cost.
Is the Ford Mustang exempt from California smog?
Only 100% battery-electric variants are exempt. Hybrid and plug-in hybrid Ford Mustang models still need biennial smog inspection. Gasoline-only versions follow standard rules — required every 2 years for vehicles 8+ years old.
Where to bring your Ford Mustang
All 15 locations handle Ford Mustang smog. STAR-certified test+repair locations recommended for diagnosing any issues.