MagnaFlow 03-06 Chevrolet Express 1500 4.3L Direct Fit Converter

This direct-fit catalytic converter from MagnaFlow replaces the factory unit on 2003–2006 Chevrolet Express and GMC Savana full-size vans, restoring proper emissions control and preventing check-engine light faults while maintaining factory exhaust flow and fuel economy. Engineered with mandrel-bent tubing and corrosion-resistant stainless steel, the converter replicates OE spun-body geometry for a precise, bolt-on installation that requires no cutting or welding; included gaskets and hardware simplify sealing and avoid reusing corroded factory parts. CARB-compliant California Grade construction, laser fusion welding, and precision metrology validation ensure legal emissions performance and reliable, long-term service.

Features:

• Torca AccuSeal® 360-degree equally distributed clamping force
• Mandrel bent tubing retains OEM-like geometry
• High strength 16 gauge 409 stainless steel tubing
• OE-sized barbed exhaust hangers in 410 stainless steel
• Spun body design with single laser fusion weld
• Compact low-mass design for greater thermal efficiency
• Precision stamped collector for optimal exhaust flow
• CARB-compliant California Grade catalytic converter certification
• 3D scanning R&D ensures OE fitment and function
• Durable 308 stainless steel MIG welds finish

Contents:

• Catalytic converter 4451211
• Gaskets
• Hardware