Description
Direct-fit catalytic converter MagnaFlow 02-03 Ford F-150 5.4L Direct Fit Converter delivers emissions control and reliable check-engine-light suppression, providing CARB-compliant operation and dependable on-vehicle performance.
This converter is the MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter (part number 4583753), engineered for straightforward replacement and consistent emissions performance on compatible 2002–2003 Ford F-150 5.4L applications.
- CARB Compliant design — Meets California emissions standards to keep the vehicle compliant with state regulations and prevent emissions-related fault codes.
- Direct-fit installation — No modification required; installs using existing mounting points for accurate alignment and simplified service.
- DIY-friendly, no cutting or welding — Reduces installation time and tooling needs when performing the replacement with the proper tools.
- Mandrel-bent tubing — Eliminates flow restrictions through smoother internal bends, supporting consistent exhaust flow and minimizing backpressure.
- Stainless steel construction — Corrosion-resistant materials contribute to durability and long-term service life under typical operating conditions.
Why this matters: the combination of direct-fit engineering and mandrel-bent flow paths preserves exhaust efficiency while restoring emissions control. For customers upgrading or repairing their performance exhaust system, this converter supports a high-flow mindset without compromising regulatory compliance—useful when integrating with performance exhaust, high-flow components, or turbo upgrade projects where proper catalytic function must be retained.
Installation notes: the unit is supplied to install in place of the factory converter and is intended for vehicles where a direct-fit, no-cut solution is specified. Use proper tools and follow vehicle manufacturer torque and safety procedures during installation.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2003 | Ford | F-150 | King Ranch |
| 2002-2003 | Ford | F-150 | Lariat |
| 2002-2003 | Ford | F-150 | XL |
| 2002-2003 | Ford | F-150 | XLT |