SKU: 21-427 / UPC: 888563166483
MagnaFlow Direct-Fit Catalytic Converter for 2016-2018 Ford Focus 2.3L
The MagnaFlow 21-427 catalytic converter, engineered for seamless underbody installation that maintains emissions compliance while delivering consistent exhaust flow. This unit outperforms generic replacements by adhering strictly to original equipment specifications, ensuring your vehicle’s computer recognizes it fully to prevent check engine light triggers and support smooth drivability. Customers choose this MagnaFlow model for its dependable emissions reduction and direct bolt-on design, which simplifies replacement compared to custom-fabricated options that often require modifications.
Key Specifications
- Part Number: 21-427 (MagnaFlow SKU)
- UPC: 888563166483
- OE Replacement Numbers: Interchanges directly with Ford OEM parts G1FZ-5E212-D and G1FZ-5E212-A
- Converter Type: Direct-Fit, OEM Grade
- Body Shape: Round, spun construction
- Material: Stainless steel body and mandrel-bent tubing for corrosion resistance and durability
- Inlet/Outlet Diameter: 2.5 inches (both ends)
- Overall Length: 30 inches
- O2 Sensor Ports: 2 (pre- and post-converter locations)
- Air Tube: None required
- Compliance: Federal EPA certified for emissions standards; not CARB certified (suitable for use outside California)
- Warranty: 5-year limited on construction; 25,000-mile limited on emissions performance
Precise Vehicle Fitment
This catalytic converter fits the underbody position on the following vehicles:
- Year: 2016, 2017, 2018
- Make: Ford
- Model: Focus
- Engine: 2.3L Turbo (EcoBoost)
- Position: Front/Underbody
Notes: Designed for automatic and manual transmissions; confirms compatibility with U.S. and Canadian models excluding California emissions variants
Verify your exact trim and submodel using the OE numbers for a guaranteed match over 1,000,000 fitments reviewed ensure accuracy.
What’s Included in Your Purchase
- 1 x MagnaFlow 21-427 Direct-Fit Catalytic Converter (complete assembly with integrated substrate and heat-resistant components)
- No additional hardware such as clamps, gaskets, or hangers (uses existing factory connections for bolt-on installation)
- Ceramic substrate core for efficient pollutant conversion
Installation requires standard tools no cutting or welding needed, allowing completion in under an hour for most DIY mechanics.
Shipping and Packaging Details
- Part Weight: 11 lbs
- Shipping Box Dimensions: 32.37 inches (length) x 8.00 inches (width) x 7.62 inches (height)
- Packaging: Securely boxed for protection during transit.
Invest in the MagnaFlow 21-427 for a catalytic converter that handles daily commutes and highway drives with reliable efficiency, keeping your Ford Focus running clean and responsive.
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