Description
Direct-Fit Catalytic Converter. The Magnaflow Direct-Fit Catalytic Converter; OEM Grade; Passenger Side is designed to maintain your vehicle’s emissions compliance and ensure smooth engine operation by reducing harmful pollutants. This converter replaces the original catalytic converter, helping keep the check engine light off while supporting optimal exhaust flow for efficiency and performance.
Construction and Appearance. Crafted from corrosion-resistant stainless steel tubing with a durable spun body and stainless finish, this converter incorporates mandrel-bent piping to preserve OEM flow characteristics. Precision laser fusion welding enhances durability and minimizes leaks, while a high-quality ceramic substrate ensures reliable catalytic reaction and emissions reduction.
Installation. Installation is straightforward with a direct-fit design that requires no cutting or welding, facilitated by the included Torca clamps and essential gaskets and hardware. The design allows automotive enthusiasts and professionals to perform the replacement with commonly available tools and minimal effort.
Warranty. This product comes with coverage that protects against manufacturing defects to ensure long-term reliability and peace of mind.
Application. Specifically engineered to fit the 2010-2014 Ford F-150 6.2L Raptor and the 2011-2012 F-150 Harley Davidson models. Compatibility is optimized for these vehicles, ensuring precise fitment and performance.
Magnaflow 21-521
CA Residents: WARNING: Cancer and Reproductive Harm
- Keep the Check Engine Light Off with Direct-Fit Catalytic Converter
- Features Free-Flowing Mandrel-Bent Tubing and Highly Corrosion-Resistant Stainless Steel Construction
- Easily Install with Proper Tools—No Cutting or Welding Required
- Uses State-of-the-Art 3D Scanning for Precise Fit and Function
- Single Laser Fusion Weld Minimizes Leak Possibility
- Compact Low-Mass Design Allows Greater Thermal Efficiency
- Includes Torca Clamps and Essential Gaskets and Hardware for Simplified Installation
- Interchanges with OE Parts AL3Z-5E212-E
- Meets or Exceeds Federal Emissions Requirements Set by the EPA
- OE-Sized Barbed Exhaust Hangers Made from Corrosion-Resistant 410 Stainless Steel to Reduce Noise and Vibration
- High-Strength 16 Gauge 409 Stainless Steel Tubing for Maximum Service Life
- Mandrel Bent Tubing Maintains OEM-Like Design for Smooth Exhaust Flow and Peak Fuel Economy
- Durable 308 Stainless Steel MIG Welds
- Replicates OEM-Like Flow Dynamics for Factory Performance and Fuel Efficiency
- Inlet Type Pipe Connection Flange
- Clamps and Hangers Included
- OEM Grade
- Material Stainless Steel with Spun Body Type and Stainless Finish
- Body Height 4in, Body Length 11in, Body Width 4in, Overall Length 47.625in
- Outlet Inside Diameter 3.5in, Outlet Quantity 1
- Sensor Port Count 2 at Pre-Converter and Midbed Locations
- Substrate Material Ceramic
- Specific Fitment
- Fits 2010-2014 6.2L Ford F-150 Raptor; 2011-2012 F-150 Harley Davidson






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