MagnaFlow
Direct-Fit CALIFORNIA OBDII CONVERTERS

MagnaFlow 441114 Catalytic Converter

Brand MagnaFlow 441114
Mounting Hardware Included Yes
Universal Or Specific Fit Specific
Grade Type Regular
Tube Material Stainless steel
Inlet Type Bolt-on
Outlet Type Bolt-on
Heat Shield Attached Yes
Body Material Stainless steel
Substrate Material Ceramic
Overall Length 55
Air Tube Count 0
Air Tube Adaptable No
Clamp Included Yes
Converter Quantity 1
Finish Stainless steel
Hangers Included No
Heat Shield Material Aluminized steel
Oxygen Sensor Location Pre converter, post converter, and midbed
Type Direct-fit
Product line Direct-Fit CALIFORNIA OBDII CONVERTERS
Fits Ford · 8 vehicles

Direct-fit replacement. No cutting or welding required for easier installation.

Stainless steel construction. Helps resist corrosion for lasting durability.

CARB compliant. Meets California Air Resource Board requirements.

Cross-references 2R3Z-5F250-DA, XR3Z-5F250-EGL and XR3Z-5F250-EGR for the same application. See all 3.

$2,373.93Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
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Step 2 — Quantity
Order total $2,373.93
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

California OBDII Direct-Fit Converter

MagnaFlow 441114 is a California Grade, CARB-compliant direct-fit catalytic converter for the 1999-2003 Ford Mustang. It is built for bolt-on replacement, with stainless steel construction and a ceramic substrate to support proper exhaust flow and emissions control.

Designed for the Ford Mustang 1999-2003 application, MagnaFlow 441114 follows the original equipment layout and uses 3D scanning-based fitment development for accurate installation. This direct-fit converter interchanges with OE part 2R3Z-5F250-DA and is engineered for legal use in California and other CARB-restricted states on the listed vehicles.

  • Direct-fit design for specific 1999-2003 Ford Mustang applications
  • CARB-compliant California Grade catalytic converter
  • Stainless steel body and tubing for corrosion resistance
  • Ceramic substrate with mandrel-bent tubing to reduce flow restriction
  • Bolt-on inlet and outlet for no-cut, no-weld installation
  • Heat shield attached; mounting hardware and clamps included
  • Oxygen sensor locations: pre-converter, post-converter, and midbed

Fitment Details

Fits 2003 Ford Mustang, N/A. Fits 2002 Ford Mustang, N/A. Fits 2001 Ford Mustang, N/A. Fits 2000 Ford Mustang, N/A. Fits 1999 Ford Mustang, N/A.

This part cross-references OE numbers 2R3Z-5F250-DA and XR3Z-5F250-EGL for the same application.

Common Replacement Uses

  • Check engine light caused by a failed catalytic converter
  • Emissions test failure related to converter efficiency
  • Corrosion or exhaust leakage at the original converter assembly
  • Restricted exhaust flow from a deteriorated substrate
  • Need for a CARB-compliant replacement on a Ford Mustang

Installation Notes

Use the bolt-on design with the included gaskets and hardware to replace the factory unit without cutting or welding. Verify oxygen sensor placement, exhaust alignment, and the exact engine family or CARB Executive Order listing before installation on your Mustang.

Quality Assurance

MagnaFlow uses 3D scanning in the design process to match original equipment fit and function. This converter is built to meet or exceed California Air Resources Board requirements and has undergone additional CARB compliance testing for the listed vehicles.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2003FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number 3FMXV04.6VDN; Direct-Fit CALIFORNIA OBDII CONVERTERS
2003FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number 3FMXV04.6VD4; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number 2FMXV04.6VD4; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number 1FMXV04.6VD4; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number YFMXV04.6VB4; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number YFMXV04.6VDN; Direct-Fit CALIFORNIA OBDII CONVERTERS
1999FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number XFMXV04.6VB4; Direct-Fit CALIFORNIA OBDII CONVERTERS
1999FordMustang4.6LV8Certification Level : TLEV; CARB Executive Order D-193-97; Engine Family Number XFMXV04.6VDN; Direct-Fit CALIFORNIA OBDII CONVERTERS
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2R3Z-5F250-DAXR3Z-5F250-EGLXR3Z-5F250-EGR