Walker 81613 Catalytic Converter - Rear

CARB-Compliant Universal Converter

Walker CalCat 81613 is a universal catalytic converter built for emissions service where CARB compliance is required. It is listed for rear applications on select Subaru, Chrysler, Dodge, Ford, Lincoln, Mercury, and Jaguar vehicles, including Subaru Outback and Ford Thunderbird fitments.

• CARB Executive Order D-182-48 for approved replacement use in California and other CARB states.
• Universal fit design for OBDII and non-OBD applications.
• Stainless steel body with a ceramic substrate for emissions control service.
• Standard oval body shape with pipe connection inlet and outlet.
• Fits rear exhaust locations across multiple vehicle applications.

Fitment and Application Details

This Walker catalytic converter uses a universal configuration with a 2-inch inlet, 2.25-inch outlet, and a 13-inch overall length. The standard oval body measures 10 inches long, 6.125 inches wide, and 4.25 inches high. It is a regular-grade converter with no oxygen sensor port location and no air tube provision.

Fits 2004 Subaru Outback, rear. Fits 2003 Subaru Outback, rear. Fits 2002 Subaru Outback, rear. Fits 2001 Subaru Outback, rear. Fits 1998 Lincoln Mark VIII, rear. Fits 1997 Chrysler Concorde, rear. Fits 1997 Chrysler LHS, rear. Fits 1997 Dodge Intrepid, rear. Fits 1997 Ford Thunderbird, rear. Fits 1997 Lincoln Mark VIII, rear. Fits 1997 Mercury Cougar, rear. Fits 1996 Chrysler Concorde, rear. Fits 1996 Chrysler LHS, rear. Fits 1996 Chrysler New Yorker, rear. Fits 1996 Dodge Intrepid, rear. Fits 1996 Ford Thunderbird, rear. Fits 1996 Lincoln Mark VIII, rear. Fits 1996 Mercury Cougar, rear. Fits 1995 Ford Thunderbird, rear. Fits 1995 Jaguar XJS, rear. Fits 1995 Mercury Cougar, rear.

What This Converter Helps Address

• Failed emissions testing caused by a worn or inefficient catalytic converter.
• CARB compliance needs for regulated replacement converter applications.
• Exhaust restriction from a deteriorated converter substrate.
• Replacement needs on rear exhaust systems with pipe-connection mounting.
• Universal converter service where the listed fitment and notes match the vehicle.

Installation Notes

Verify the vehicle’s engine family number, emissions certification, and state requirements before installation. Some applications note that modifications or additional parts may be required, and certain fitments call for a replacement extension pipe in place of the OE resonator. This part number is 81613.

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards. Part number 81613 is backed by CARB Executive Order D-182-48 for the listed applications.

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