Walker 16483 Catalytic Converter with Integrated Exhaust Manifold

Walker EPA Catalytic Converter Manifold

Walker EPA Part Number 16483 is a direct-fit catalytic converter with integrated exhaust manifold for select Hyundai and Kia applications. It is built with a stainless steel body, ceramic substrate, and OE-style flange connections to support EPA emissions compliance on approved vehicles.

The Walker EPA product line focuses on emissions-system replacements for 1996 and newer OBDII vehicles, with fitment coverage for import and domestic applications where EPA-compliant parts are required.

Key Features

• Direct-fit catalytic converter with integrated exhaust manifold
• Stainless steel converter body for corrosion resistance
• Ceramic substrate material
• 7-bolt welded flange inlet and 2-bolt welded flange outlet
• Pre-catalyst oxygen sensor location
• Mounting hardware included
• Fits EPA Federal Emission Equipped Vehicles for approved applications
• Walker 16483 cross-references AP Exhaust 641505 and BRExhaust 099-1316 for the same application

Detailed Description

Walker 16483 is an EPA-compliant manifold converter designed for direct replacement on select 2006-2008 Hyundai Sonata, 2006-2008 Kia Optima, and 2007-2008 Kia Rondo applications. The unit uses a round stainless steel converter body with a ceramic substrate and OE-style inlet and outlet flange design for a precise exhaust connection. Overall length is 20 inches, with a 4.5-inch converter body length, 4-inch body height, and 4-inch body width.

This part number is built for manifold-position installation and is listed with one inlet and one outlet. It is a practical choice for drivers replacing a failed emissions component on a Hyundai Sonata, Kia Optima, or Kia Rondo where EPA Federal Emission Equipped Vehicle coverage applies. Walker 16483 is not CARB certified and is not legal for sale or use in California and other CARB-compliant states.

What It Helps Address

• Check engine light concerns related to catalyst efficiency
• Exhaust leaks at the manifold converter assembly
• Failed or restricted catalytic converter flow
• Emissions test failures on covered EPA applications
• Noise or odor issues caused by a damaged exhaust manifold converter

Installation Notes

• Fits 2006-2008 Hyundai Sonata, N/A
• Fits 2006-2008 Kia Optima, N/A
• Fits 2007-2008 Kia Rondo, N/A
• Exhaust gasket is recommended
• Additional part needed to complete installation: 31640
• Verify federal EPA emissions requirements before installation
• Not legal for sale or use in California and other CARB-compliant states
• Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only

Quality Assurance

Walker 16483 is engineered to meet EPA emissions requirements for approved applications and is built with stainless steel construction and a ceramic substrate for emissions-system replacement use. Confirm vehicle year, make, model, and emissions configuration before ordering to ensure proper fitment.