Magnaflow Cat Converter Direct Fit 2003 Ford E350 5.4L

The Magnaflow Cat Converter Direct Fit 2003 Ford E350 5.4L is a direct-fit catalytic converter designed to control emissions and keep the check engine light off while maintaining exhaust flow reliability.

Built for compatibility and compliance, this Magnaflow unit carries the California Grade CARB Compliant designation (part number 4593321) to meet strict emissions standards for applicable vehicles.

• Direct-fit design — installs without major modifications to the factory exhaust routing, minimizing labor and ensuring correct alignment with existing hangers and flanges.
• Free-flowing mandrel-bent tubing — preserves exhaust diameter through bends to reduce flow restriction, supporting efficient exhaust scavenging and maintaining engine performance.
• Highly corrosion-resistant stainless steel construction — extends service life in harsh underbody environments and resists degradation from road salts and moisture.
• Spun-body converter — provides a durable shell and consistent internal geometry for stable converter performance over time.
• CARB-compliant (California Grade) — certified to meet emissions requirements where applicable, helping prevent emissions-related fault codes and inspections issues.
• Part number 4593321 — reference for ordering, verification, and warranty/service support.

This Magnaflow catalytic converter emphasizes durability, emission control, and straightforward installation for the 2003 Ford E350 5.4L application. Its combination of mandrel-bent tubing and stainless construction is intended to deliver a balance of longevity and high-flow characteristics appropriate for stock-replacement or turbo upgrade support when maintaining emissions compliance.

Vendor: Magnaflow — engineered and manufactured with the brand's focus on performance exhaust and emission-control components.