MagnaFlow
Direct-Fit CALIFORNIA OBDII CONVERTERS

MagnaFlow 452231 Catalytic Converter - Front Forward

Brand MagnaFlow 452231
Position Front Forward
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 No
Body Material Stainless steel
Substrate Material Ceramic
Overall Length 9.125
Air Tube Count 0
Air Tube Adaptable No
Clamp Included No
Converter Quantity 1
Finish Stainless steel
Hangers Included No
Heat Shield Material None
Main Piping Diameter 2
Oxygen Sensor Location Post converter
Type Direct-fit
Product line Direct-Fit CALIFORNIA OBDII CONVERTERS
Fits INFINITI and Nissan · 4 vehicles

Direct-fit replacement. Installs with bolt-on inlet and outlet connections, no cutting or welding required.

Stainless steel construction. Corrosion-resistant materials help the converter stand up to harsh exhaust conditions.

CARB compliant. Meets California Air Resources Board requirements for legal use in restricted states.

Cross-references 14012-55U00, 1401255U00 and B08A0-3Y102 for the same application. See all 6.

$554.24Free 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.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $554.24
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 452231 is a direct-fit catalytic converter for specific 2000-2001 Nissan Maxima and 2000-2001 Infiniti I30 applications. It is built for California Grade CARB compliance and uses a bolt-on, OE-style layout to simplify replacement on the front forward exhaust position.

Key Features

  • Direct-fit design for the front forward position
  • CARB-compliant California Grade construction for listed vehicles
  • Stainless steel body and tubing for corrosion resistance
  • Ceramic substrate with a compact, low-mass spun body design
  • Mandrel-bent tubing and single laser fusion weld for OE-style fit and sealing
  • Post-converter oxygen sensor location
  • Mounting hardware included

Product Details

Part number 452231 is part of MagnaFlow’s Direct-Fit CALIFORNIA OBDII CONVERTERS line, which focuses on OE-style replacement converters for emissions-controlled applications. This converter is engineered to match the original spun body layout and uses stainless steel construction with a ceramic substrate to support thermal efficiency and long-term durability. MagnaFlow uses 3D scanning during development to help replicate factory dimensions and function for the listed Nissan and Infiniti applications. This part cross-references OE numbers B08A0-3Y102 and 14012-55U00 for the same application.

What It Helps Address

  • Check engine light caused by a failed catalytic converter
  • Emissions test failure related to converter efficiency
  • Exhaust leaks at the converter body or flange area
  • Corrosion damage on the original factory converter
  • Fitment issues from using a non-direct replacement

Installation Notes

Fits 2000 Nissan Maxima, front forward. Fits 2001 Nissan Maxima, front forward. Fits 2000 Infiniti I30, front forward. Fits 2001 Infiniti I30, front forward. Installation uses a bolt-on configuration with no cutting or welding required when installed with the proper tools. Verify the vehicle’s emissions certification and OE reference before installation, and confirm the post-converter oxygen sensor location matches the original setup. Part number 452231 is intended for the listed California and CARB-restricted applications only.

Quality Assurance

MagnaFlow 452231 is built to meet or exceed California Air Resources Board requirements for the listed vehicles and has undergone additional CARB compliance testing for legal use in California and other CARB-restricted states.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001INFINITII303.0LV6Front ForwardCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 1NSXV03.0C6A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001NissanMaxima3.0LV6Front ForwardCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 1NSXV03.0C6A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000INFINITII303.0LV6Front ForwardCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number YNSXV03.036A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000NissanMaxima3.0LV6Front ForwardCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number YNSXV03.036A; Direct-Fit CALIFORNIA OBDII CONVERTERS
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
14012-55U001401255U00B08A0-3Y102B08A0-4L700B08A03Y102B08A04L700