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Universal Fit vs Direct-Fit Catalytic Converters: What's the Difference?
Universal Fit vs Direct-Fit Catalytic Converters: What's the Difference?
Universal fit or direct-fit catalytic converter — which one do you need? This guide covers installation, cost, compliance, and why repair shops prefer universal fit. Read more...
Which States Require CARB Compliant Catalytic Converters? Complete State-by-State Guide
Which States Require CARB Compliant Catalytic Converters? Complete State-by-State Guide
Most people assume their state determines which catalytic converter they need. It doesn't — your vehicle's original emission certification does. This complete state-by-state guide covers the 4 CARB states, the... Read more...
How to Find Your Vehicle's Test Group Number for a CARB Catalytic Converter
How to Find Your Vehicle's Test Group Number for a CARB Catalytic Converter
Buying a CARB compliant catalytic converter requires your vehicle's test group number — and most buyers don't know where to find it. This step-by-step guide shows you exactly how to... Read more...
CARB vs EPA Catalytic Converters: What's the Difference and Which One Do You Need?
CARB vs EPA Catalytic Converters: What's the Difference and Which One Do You Need?
Not sure whether you need a CARB or EPA catalytic converter? This guide explains the difference, which states require CARB compliance, how to read your vehicle's emission label, and how... Read more...