Walker 16654 Catalytic Converter

EPA Direct-Fit Catalytic Converter

Walker EPA 16654 is a direct-fit catalytic converter built for 2010-2013 Lexus RX350 applications. It is designed for OBDII vehicles and uses a specific-fit layout with welded flange connections for a straightforward exhaust replacement.

The Walker Ultra Direct-Fit line focuses on EPA-compliant replacement coverage for import and domestic vehicles, with this unit configured for federal-emissions use on the listed Lexus RX350 applications. Part number 16654 is a direct replacement option for drivers needing a catalytic converter matched to the original exhaust routing.

• Direct-fit catalytic converter for 2010-2013 Lexus RX350
• EPA-compliant design for federal-emissions applications
• Specific fit with 2-bolt welded flange inlet and outlet
• Stainless steel body with ceramic substrate
• Round body shape, 4 in. height, 4 in. width, 8 in. body length
• Overall length: 23.5 in.
• No oxygen sensor port location
• Compatible with Lexus RX350 EPA Federal Emission Equipped Vehicles only

Fitment Details

Fits 2010-2013 Lexus RX350, N/A.

This part cross-references AP Exhaust 645239 for the same application.

What This Part Helps Address

• Failed catalytic converter emissions testing
• Check engine light concerns related to catalyst efficiency
• Restricted exhaust flow from a worn or damaged converter
• Exhaust leaks at the converter connection points
• Replacement needs on federal-emissions Lexus RX350 models

Installation Notes

Exhaust gasket is recommended. Additional parts needed to complete installation include 31600 and 31555. Verify federal-emissions fitment before ordering, since this converter is not legal for sale or use in California and other CARB-compliant states. It is legal in New York and Maine on EPA Federal Emission Equipped Vehicles only.

Quality Assurance

Walker Ultra Direct-Fit catalytic converters are built to meet EPA standards and provide a direct-fit replacement format for listed applications. Part number 16654 is engineered for the specified Lexus RX350 fitment and uses stainless steel construction with a ceramic substrate.