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Aftermarket Parts Database of Executive Orders

This database updated Monday, May 12, 2008

Exempted parts are add-on or modified parts that have undergone an ARB engineering evaluation. If the part or modification is shown to not increase vehicle emissions, it is granted an exemption to emission control system anti-tampering laws. This exemption is called an Executive Order (EO) and allows the modification to be installed on specific emission controlled vehicles. Every Executive Order part or modification has an assigned number that can be verified by Smog Check stations, BAR Referee stations, or by the ARB.

DEFINITIONS

• Air Cleaner Modification - modifications to the air cleaner and/or its housing.
• Air Filter/Intake Modification - open element air filters, modifications to the air flow intake tract, heat risers/preheat ducts.
• Engine Modification/Engine Change - kits that include multiple engine modifications such as new cylinder heads and camshafts, or boring and stroking; engine changes using an engine certified for another late model vehicle application, with additional engine modifications .
• Exhaust System/Exhaust Modification - exhaust manifold, exhaust headers, exhaust pipes, crossover pipes, etc.
• Fuel Line Modification - devices designed to attach to or be inserted in the fuel line.
• Fuel System Modification - fuel filters, gas caps, pressure regulators.
• Intake/Exhaust System - a kit that includes both intake and exhaust components.