HomeExhaust > Catalytic ConverterMagnaFlow 447225 Catalytic Converter - Rear
Part #: 447225

MagnaFlow 447225 Catalytic Converter - Rear

Direct-Fit CALIFORNIA OBDII CONVERTERS, Rear
⚙️ 4 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$879.46Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct-Fit CALIFORNIA OBDII CONVERTERS, Rear
🚗Fitment: Toyota, 4Runner
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of MagnaFlow Direct-Fit Catalytic Converter

The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS catalytic converter (part number 447225) is engineered specifically for Toyota 4Runner models. Designed to meet California emissions standards, this converter offers a direct-fit solution with stainless steel construction and a bolt-on inlet and outlet for straightforward installation.

  • Specific fit for Toyota 4Runner
  • Stainless steel tube and body material for durability
  • Ceramic substrate for efficient catalytic conversion
  • Bolt-on inlet and outlet for direct-fit installation
  • Attached aluminized steel heat shield for thermal protection
  • Post-converter oxygen sensor location
  • Includes hangers and mounting hardware
  • Overall length of 31.25 inches

About the Direct-Fit CALIFORNIA OBDII CONVERTERS Line

The Direct-Fit CALIFORNIA OBDII CONVERTERS product line by MagnaFlow is designed to comply with California’s strict emissions regulations while providing a direct replacement for factory catalytic converters. This line ensures compatibility with OBDII systems and maintains proper oxygen sensor placement, making it suitable for vehicles requiring California Air Resources Board (CARB) compliance. Part number 447225 is part of this line, tailored for the Toyota 4Runner to meet regulatory and performance standards.

Product Features and Specifications

This catalytic converter features a stainless steel body and tube material, providing resistance to corrosion and heat. The ceramic substrate inside facilitates effective conversion of harmful exhaust gases. Both the inlet and outlet are bolt-on types, allowing for a direct-fit installation without modifications. The attached heat shield, made from aluminized steel, helps protect surrounding components from excessive heat. The converter includes hangers and mounting hardware to support secure installation. The oxygen sensor is positioned post-converter to ensure accurate emissions monitoring.

Common Applications and Problem Solving

  • Replacement for a failing or clogged catalytic converter on Toyota 4Runner
  • Restores proper emissions control to pass California smog inspections
  • Eliminates exhaust leaks caused by damaged or corroded converters
  • Maintains OBDII system functionality with correct oxygen sensor placement
  • Improves exhaust flow and reduces harmful emissions

Installation Notes and Tips

Part number 447225 is designed for a direct-fit installation on Toyota 4Runner models, minimizing the need for modifications. The bolt-on inlet and outlet simplify the replacement process. While the converter includes hangers and mounting hardware, an inlet gasket and clamps are not included and may need to be sourced separately. Ensure the oxygen sensor is reinstalled in the post-converter location to maintain proper emissions system operation.

Quality Assurance and Warranty

MagnaFlow catalytic converters are manufactured with high-quality stainless steel and ceramic substrates to meet emissions standards and provide durability. This product is engineered to comply with California OBDII requirements. Warranty details are provided by MagnaFlow and typically cover defects in materials and workmanship; please refer to MagnaFlow’s official warranty documentation for specific terms related to part number 447225.

BrandMagnaFlow
Part Number447225
PositionDirect-Fit CALIFORNIA OBDII CONVERTERS, Rear
Mounting Hardware IncludedYes
Universal Or Specific FitSpecific
Grade TypeRegular
Tube MaterialStainless steel
Inlet TypeBolt-on
Outlet TypeBolt-on
Heat Shield AttachedYes
Body MaterialStainless steel
Substrate MaterialCeramic
Inlet Gasket IncludedNo
Overall Length31.25
Air Tube Count0
Air Tube AdaptableNo
Clamp IncludedNo
Converter Quantity1
FinishStainless steel
Hangers IncludedYes
Heat Shield MaterialAluminized steel
Oxygen Sensor LocationPost converter
TypeDirect-fit

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002Toyota4Runner3.4LV6RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 2TYXT03.4FFP; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001Toyota4Runner3.4LV6RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number 1TYXT03.4FFP; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000Toyota4Runner3.4LV6RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number YTYXT03.4FFR; Direct-Fit CALIFORNIA OBDII CONVERTERS
1999Toyota4Runner3.4LV6RearCertification Level : LEV1 LEV; CARB Executive Order D-193-103; Engine Family Number XTYXT03.4GXS; Direct-Fit CALIFORNIA OBDII CONVERTERS

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

17450-6205017450-7502017450620501745075020

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.