Walker 16868 Catalytic Converter - Left

Brand Walker 16868
Position Left
Mounting Hardware Included No
Universal Or Specific Fit Specific
Grade Type Regular
Body Shape Round
Body Height 4
Body Length 5
Body Width 4
Inlet Quantity 1
Body Material Stainless steel
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Overall Length 20.625
Air Tube No
Air Tube Count No
Converter Quantity 1
Inlet 1 Type 2 bolt welded flange
Inlet Type 2 bolt welded flange
Outlet 1 Outside Diameter 2.75
Outlet 1 Type Spherical ball
Outlet Outside Diameter 2.75
Outlet Type Spherical ball
Oxygen Sensor Location Post catalyst
Substrate Material Ceramic
Product line EPA
Fits Ford · 4 vehicles

Direct-fit design. Specific fit for easier installation with no modifications needed.

Stainless steel body. Helps resist corrosion for long-term exhaust durability.

Ceramic substrate. Built to support efficient catalytic performance and emissions control.

Cross-references AP Exhaust 642811 for the same application. See all 1.

$503.35Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $503.35
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker EPA Direct-Fit Catalytic Converter

Walker EPA 16868 is a direct-fit catalytic converter built for specific applications and engineered to meet EPA standards. It is designed for 2011-2014 Ford Mustang left-side fitment on Federal and California emission models, with application notes that call for an exhaust gasket and additional part 31741 to complete installation.

The Walker Ultra Direct-Fit Catalytic Converter line is built for import and domestic OBDII vehicles, combining a direct-fit layout with EPA-compliant construction for straightforward replacement on the correct application. This Walker catalytic converter for Ford Mustang applications uses a stainless steel body and ceramic substrate for a durable exhaust solution.

  • Direct-fit, specific application design
  • EPA-compliant replacement for OBDII vehicles
  • Stainless steel body with ceramic substrate
  • 2-bolt welded flange inlet and spherical ball outlet
  • Post-catalyst oxygen sensor location
  • Compatible with 2011-2014 Ford Mustang, left

Fitment Details

Fits 2011-2014 Ford Mustang, left. Notes for this application include Federal and California emission model coverage, with a requirement to verify state emissions rules before purchase. This part number 16868 is also referenced for the same application under AP Exhaust 642811.

What This Converter Helps Address

  • Failed or inefficient catalytic converter operation
  • Check engine light concerns related to catalyst performance
  • Exhaust restriction caused by a worn converter substrate
  • Emission test failures on the listed Ford Mustang application
  • Replacement needs after corrosion or internal converter damage

Installation Notes

For the listed Ford Mustang fitment, an exhaust gasket is recommended and additional part 31741 is needed to complete installation. Confirm the 2-bolt welded flange inlet, 2.75-inch spherical ball outlet, and left-side placement before ordering. This part number 16868 is intended for the specified 2011-2014 Ford Mustang application only.

Quality Assurance

Walker Ultra Direct-Fit Catalytic Converters are positioned as EPA-standard replacement parts for import and domestic OBDII vehicles, with direct-fit construction aimed at accurate application matching and emissions compliance on the listed vehicle fitment.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2014FordMustang5.0LV8LeftFits 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; Additional Part(s) Needed To Complete Installation: 31741; Ultra Direct Fit Type; EPA
2013FordMustang5.0LV8LeftFits 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; Additional Part(s) Needed To Complete Installation: 31741; Ultra Direct Fit Type; EPA
2012FordMustang5.0LV8LeftFits 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; Additional Part(s) Needed To Complete Installation: 31741; Ultra Direct Fit Type; EPA
2011FordMustang5.0LV8LeftFits 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; Additional Part(s) Needed To Complete Installation: 31741; Ultra Direct Fit Type; EPA
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 642811