AP Exhaust 771391 Catalytic Converter - Front Right

CARB-Compliant Direct-Fit Catalytic Converter

AP Exhaust 771391 is a CARB compliant direct-fit catalytic converter built for the front right position on select Chevrolet Impala applications. It is engineered to match OE dimensions and fitment while using stainless steel construction and a ceramic substrate for emissions control performance.

Brand Line CGMXJ03.6166 is part of AP Exhaust’s emissions product line, focused on direct-fit replacement converters built to OE sizing standards for straightforward installation on the listed California-emissions applications.

• Stainless steel body construction
• Ceramic substrate material
• CARB compliant direct-fit design
• Executive Order D-798-9
• 2 O2 sensor ports
• 4-bolt welded flange inlet
• 2-bolt welded flange outlet
• Outlet gasket and outlet hardware included
• Overall length: 15.5 in.

This catalytic converter uses AP Exhaust’s ARISTO substrate chemistry and advanced manufacturing methods to support efficient converter loading and consistent OE-style dimensions. AP Exhaust 771391 is built for California emissions compliance and direct replacement use on the front right side of the vehicle.

Vehicle Fitment

• Fits 2016 Chevrolet Impala Limited, front right.
• Fits 2014 Chevrolet Impala Limited, front right.
• Fits 2013 Chevrolet Impala, front right.
• Fits 2012 Chevrolet Impala, front right.

Common Replacement Reasons

• Failed emissions test or catalyst efficiency fault
• Check engine light related to catalytic converter performance
• Damaged or corroded converter housing
• Exhaust leak at the flange connection
• Need for a California-compliant direct-fit replacement

Installation Notes

Verify the front right position, flange style, O2 sensor port count, and California emissions requirements before installation. This unit uses no inlet gasket or inlet hardware, while the outlet gasket and outlet hardware are specified. Confirm sensor routing and exhaust alignment against the OE layout for proper fitment on the Chevrolet Impala and Chevrolet Impala Limited applications.

Quality Assurance

AP Exhaust builds this converter to exact OE dimensions using automated production equipment and spinner welding processes for consistent fit and assembly. It is certified under Executive Order D-798-9 for the listed California applications.