AP Exhaust 644208 Catalytic Converter - Left

Direct-Fit Catalytic Converter for Chrysler and Dodge

AP Exhaust Direct Fit Converter 644208 is a Federal / EPA direct-fit catalytic converter built for left-side applications on select Chrysler 300, Dodge Challenger, and Dodge Charger models. It uses a stainless steel body with a ceramic substrate and includes two O2 sensor ports for proper exhaust system integration.

Key Features

• Federal / EPA direct-fit catalytic converter
• Stainless steel body construction
• Ceramic substrate material
• Left-side fitment for select Chrysler and Dodge vehicles
• Two O2 sensor ports
• 4-bolt welded inlet flange on 2011-2013 applications
• Welded flange inlet connection with 2.19" OD outlet
• Boxed for storage and handling

Product Details

AP Exhaust 644208 is part of the Direct Fit Converter line, which focuses on OE-style exhaust replacement for vehicles that need a direct-install catalytic converter solution. This unit measures 58.000 inches overall and uses a welded flange inlet, pipe outlet, and stainless steel body construction to match the factory-style exhaust layout on the listed Chrysler 300, Dodge Challenger, and Dodge Charger applications. AP Exhaust 644208 is listed for Federal and California emissions applications on 2014-2023 vehicles, while 2011-2013 fitments note a 4-bolt inlet flange.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

• Fits 2014-2023 Chrysler 300, left; Federal and California Emissions; Direct Fit Converter
• Fits 2014-2023 Dodge Challenger, left; Federal and California Emissions; Direct Fit Converter
• Fits 2014-2023 Dodge Charger, left; Federal and California Emissions; Direct Fit Converter
• Fits 2011-2013 Chrysler 300, left; 4 Bolt Inlet Flange; Direct Fit Converter
• Fits 2011-2013 Dodge Challenger, left; 4 Bolt Inlet Flange; Direct Fit Converter
• Fits 2011-2013 Dodge Charger, left; 4 Bolt Inlet Flange; Direct Fit Converter

Common Issues This Part Addresses

• Failed catalytic converter efficiency codes
• Exhaust restriction from a damaged or clogged converter
• Rattling or broken internal substrate material
• Exhaust leaks at the converter connection points
• Emissions test failure related to converter performance

Installation Notes and Tips

Verify left-side placement, inlet flange style, and O2 sensor port count before installation. Confirm the vehicle’s emissions configuration matches the listed Federal / EPA or Federal and California emissions fitment, and compare the outlet diameter and flange style to the original converter for proper alignment.

Quality Assurance

AP Exhaust Direct Fit Converter components are built for application-specific exhaust replacement using stainless steel construction and a ceramic substrate for the listed Chrysler and Dodge platforms.