Walker 16950 Catalytic Converter with Integrated Exhaust Manifold - Front

Walker EPA Catalytic Converter Manifold

Walker EPA Part Number 16950 is a catalytic converter with an integrated exhaust manifold for select Lexus and Toyota applications. Built with a premium steel design and a stainless steel converter body, it is made for OBDII vehicles that require EPA-compliant emissions control.

The Walker Ultra EPA-Compliant Manifold Converter line is built for import and domestic 1996-and-newer vehicles where emissions compliance and fitment accuracy matter. This unit is engineered for front-position applications on Lexus RX350, RX350L, RX450h, RX450hL, and Toyota Sienna and Highlander models listed below.

Key Features

• Part Number 16950 catalytic converter with integrated exhaust manifold
• Premium-grade steel construction
• Stainless steel converter body for corrosion resistance
• Round body shape with 5.000-inch converter body length
• 4-bolt welded flange inlet and 2-bolt welded flange outlet
• EPA-compliant design for OBDII vehicles
• Front-position fitment for select Lexus and Toyota models

Detailed Description

Walker 16950 combines the exhaust manifold and catalytic converter into one assembly to service emissions-related exhaust repairs on specific Lexus RX350, Lexus RX450h, Toyota Sienna, and Toyota Highlander applications. The stainless steel converter body and premium steel construction support durable exhaust service, while the round body profile and welded flange connections are designed for direct replacement use on the listed front-position vehicles. This part cross-references 171500P330 for the same application.

What It Helps Address

• Failed catalytic converter efficiency codes
• Exhaust manifold and converter assembly damage
• Emissions test failures related to catalyst performance
• Exhaust leaks at flange connection points
• Check engine light concerns tied to OBDII emissions faults

Installation Notes and Tips

Verify the vehicle’s year, model, and front-position application before ordering. This converter uses a 4-bolt welded flange inlet and 2-bolt welded flange outlet, so inspect the mating exhaust surfaces and fasteners during installation. Mounting hardware is not included. Confirm local emissions requirements before installation, since this part is not CARB certified and is not New York certified.

Quality Assurance

Walker Ultra EPA-Compliant Manifold Converters are built to meet EPA emissions requirements for listed applications. Part Number 16950 is intended for select 2016-2022 Lexus RX350, 2016-2022 Lexus RX450h, 2018-2022 Lexus RX350L, 2018-2022 Lexus RX450hL, 2017-2020 Toyota Sienna, and 2017-2019 Toyota Highlander front-position applications.