Walker 16771 Catalytic Converter - Rear

Brand Walker 16771
Position Rear
Mounting Hardware Included Yes
Universal Or Specific Fit Specific
Grade Type Regular
Body Shape Round
Body Height 4
Body Length 12
Body Width 4
Body Material Stainless steel
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Overall Length 78.5
Air Tube No
Air Tube Count No
Body Height 4.000
Body Length 12.000
Body Material Stainless steel
Body Shape 4" round
Body Width 4.000
Converter Position Rear underbody
Converter Quantity 1
Fitment Direct fit
Inlet 1 Type 2 bolt welded flange
Inlet 2 Type 2 bolt welded flange
Inlet Connection Type 2 bolt welded flanges
Inlet Count 2
Inlet Quantity 2
Inlet Type 2 bolt welded flange
Max Year Covered 2006
Min Year Covered 2003
Most Popular Make / Model Hyundai santa fe
Product line EPA
Fits Hyundai · 4 vehicles

EPA-compliant design. Built to meet emissions standards with assured compliance.

Direct-fit replacement. Specific fit for easier installation and fewer modifications.

Stainless steel body. Corrosion-resistant construction with a ceramic substrate.

Cross-references AP Exhaust 643043, BRExhaust 096-2309 and Febi-Bilstein 40606 for the same application. See all 3.

$593.03Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $593.03
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker EPA Direct-Fit Catalytic Converter

Walker EPA 16771 is a direct-fit catalytic converter for rear underbody placement on select Hyundai Santa Fe models. It is built with a stainless steel body, ceramic substrate, and welded flange connections for a factory-style exhaust repair on 2003-2006 Hyundai Santa Fe applications.

Key Features

  • Direct-fit design for straightforward replacement on the specified vehicle application
  • EPA-compliant construction for federal-emissions-equipped vehicles
  • Stainless steel body with round 4-inch body dimensions
  • Ceramic substrate material for exhaust aftertreatment performance
  • Rear underbody converter position with pre-catalyst oxygen sensor location
  • 2-bolt welded flange inlet and outlet connections
  • Specific fitment for 2003-2006 Hyundai Santa Fe, rear

Product Details

Walker EPA 16771 is part of the Walker Ultra Direct-Fit Catalytic Converter line, which is built for import and domestic OBDII vehicles and engineered to meet EPA standards. This converter is designed for 2003-2006 Hyundai Santa Fe rear applications and is listed for federal and California emission model coverage in the fitment notes, while also stating it is not legal for sale or use in California and other CARB-compliant states. For buyers searching for a 2004 Hyundai Santa Fe catalytic converter replacement or a direct-fit exhaust converter for 2003-2006 Hyundai Santa Fe rear underbody service, this part number 16771 provides the specified OE-style configuration.

This part cross-references AP Exhaust 643043 and BRExhaust 096-2309 for the same application.

Common Repair Uses

  • Replacing a failed or restricted catalytic converter
  • Addressing exhaust efficiency or emissions-related fault codes
  • Restoring proper exhaust flow on a rear underbody converter location
  • Repairing flange-mount exhaust connections on the Hyundai Santa Fe
  • Servicing a direct-fit emissions component on 2003-2006 Hyundai Santa Fe models

Installation Notes

Confirm the vehicle is a 2003-2006 Hyundai Santa Fe, rear application before ordering. The fitment notes specify that an exhaust gasket is recommended. Verify emission-system requirements for your state before installation, since this converter is not legal for sale or use in California and other CARB-compliant states.

Quality Assurance

Walker EPA 16771 is built to EPA standards and uses a stainless steel body with a ceramic substrate for regulated exhaust service on the listed application. The Walker Ultra Direct-Fit product line is positioned for direct replacement use on OBDII vehicles with application-specific fitment.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006HyundaiSanta Fe3.5LV6RearFits Fed. & Calif. Emission Models; 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. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
2005HyundaiSanta Fe3.5LV6RearFits Fed. & Calif. Emission Models; 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. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
2004HyundaiSanta Fe3.5LV6RearFits Fed. & Calif. Emission Models; 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. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
2003HyundaiSanta Fe3.5LV6RearFits Fed. & Calif. Emission Models; 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. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 643043BRExhaust — 096-2309Febi-Bilstein — 40606