AP Exhaust 644157 Catalytic Converter - Rear

AP Exhaust Catalytic Converter for Acura and Honda Vehicles

The AP Exhaust catalytic converter 644157 is designed as a direct-fit replacement for select Acura and Honda models, including the Civic and ILX. Constructed with durable stainless steel and a ceramic substrate, this federal/EPA-compliant converter ensures reliable emissions control and long-lasting performance.

Key Features of AP Exhaust Catalytic Converter 644157

• Body material made from corrosion-resistant stainless steel
• Federal/EPA direct-fit design for precise installation
• One inlet gasket and one outlet gasket included for sealing
• Inlet type: 2 bolt welded connection
• Outlet type: 3 bolt welded connection with included hardware
• Equipped with one O2 sensor port for accurate emissions monitoring
• Ceramic substrate for effective catalytic conversion
• Overall length of 23 inches for proper fitment

Detailed Product Description

This AP Exhaust catalytic converter, part number 644157, is engineered to meet federal and EPA emissions standards while providing a direct-fit replacement for Acura Civic and Honda ILX models. The stainless steel body offers resistance to rust and corrosion, extending the life of the converter. The ceramic substrate inside efficiently converts harmful exhaust gases into less harmful emissions. The converter features a 2 bolt welded inlet and a 3 bolt welded outlet, with outlet hardware included to facilitate installation. Additionally, it has one O2 sensor port to maintain proper engine management and emissions control.

Common Applications and Issues Addressed

• Replacement for clogged or damaged catalytic converters on Acura Civic and Honda ILX
• Restores proper emissions control to pass state and federal inspections
• Resolves check engine light issues related to catalytic converter failure
• Improves exhaust flow and engine performance affected by converter degradation
• Addresses exhaust leaks caused by worn gaskets or damaged converter body

Installation Notes and Tips

Ensure compatibility with your specific Acura Civic or Honda ILX model year before installation. The direct-fit design allows for straightforward replacement using the included outlet hardware and gaskets. The 2 bolt welded inlet and 3 bolt welded outlet connections require proper torque specifications to avoid exhaust leaks. The O2 sensor port must be properly connected to maintain engine performance and emissions compliance.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet federal and EPA standards for emissions control. The stainless steel construction and ceramic substrate provide durability and reliable operation. Please refer to AP Exhaust's warranty policy for specific coverage details related to part number 644157.