Dorman 678-549 Pre-Converter Catalytic Converter CARB Compliant

The Dorman 678-549 is a CARB-compliant pre-converter catalytic converter engineered as a direct replacement for the original equipment unit. Precision-manufactured to match OE fit and function, this pre-converter restores proper exhaust emissions control and helps vehicles pass California Air Resources Board (CARB) emissions testing requirements.

Key Features:

• CARB Compliant — meets California Air Resources Board emissions standards; legal for sale and use in CARB states
• Direct Replacement — designed to match the fit and performance of the original equipment on specific vehicles
• Durable Construction — manufactured within strict tolerances for reliable, long-lasting performance
• Made in the USA — backed by Dorman's team of engineers and quality control experts
• Engine Family Specific — CARB converters are engine family specific; verify your vehicle's engine family code against the Executive Order details before installation

Important Note: CARB-compliant catalytic converters are engine family specific. Confirm your vehicle's engine family code matches the applicable CARB Executive Order before purchase and installation.

Dorman Products has been a trusted name in the automotive aftermarket for over 100 years, delivering quality OE-replacement parts that give repair professionals and vehicle owners a reliable, cost-effective solution.