AP Exhaust 774155 Catalytic Converter with Integrated Exhaust Manifold - Front Left

AP Exhaust Catalytic Converter for Infiniti QX56/QX80

AP Exhaust part number 774155 is a catalytic converter with integrated exhaust manifold for select Infiniti full-size SUVs. It is built to OE dimensions for direct fitment and is California emissions compliant for the listed applications.

Key Features

• Part number 774155 catalytic converter with integrated exhaust manifold
• Direct-fit replacement for the front left position
• Built to exact OE dimensions for proper fitment
• Uses AP Exhaust ARISTO substrate chemistry for efficient converter loading
• Manufactured with automated workstations, spinner welding, and high-speed production lines
• California emissions compliant for the listed Infiniti applications

Fitment Details

Compatible with 2011 Infiniti QX56, front left; 2012 Infiniti QX56, front left; 2013 Infiniti QX56, front left; 2014 Infiniti QX80, front left; and 2015 Infiniti QX80, front left. This AP Exhaust 774155 application coverage is specific to the front left exhaust position on the listed vehicles.

The BNSXT05.6G9C product line is engineered around OE-style dimensions and fitment consistency, making it a practical replacement choice when restoring exhaust flow and emissions system function on Infiniti QX56 and Infiniti QX80 models.

What It Helps Address

• Failed or restricted catalytic converter performance
• Exhaust manifold and converter assembly replacement needs
• Check engine light concerns related to emissions efficiency
• Exhaust leaks at the front left manifold/converter location
• Emissions inspection failures on covered applications

Installation Notes

Verify the front left position and match the vehicle year, model, and emissions requirements before installation. Confirm all flange and sensor connections against the original assembly, and follow factory service procedures for exhaust sealing and torque specifications.

Quality Assurance

AP Exhaust states that this converter is produced with advanced manufacturing controls to maintain OE dimensions, fitment consistency, and efficient converter loading. California emissions compliance is listed for the covered Infiniti applications under EO Number D-798-14.