M113 5.4L Naturally Aspirated • CARB Compliant Exhaust Solution

MagnaFlow 444105 High-Flow Catalytic Converter for Mercedes-AMG NA 55

California-legal performance replacement engineered for AMG 55 owners who want OEM-level reliability with improved exhaust flow.

The MagnaFlow 444105 catalytic converter is a premium, CARB-compliant solution designed for Mercedes-AMG 55 models equipped with the naturally aspirated M113 5.4L V8. Whether you’re replacing a failing factory unit or building a compliant custom exhaust, this converter delivers reliable emissions control with improved exhaust efficiency.

Built from high-grade stainless steel and engineered to meet strict California emissions standards, this converter offers long service life without sacrificing performance or drivability.

Key Benefits

• CARB Compliant: Approved for use in California and emissions-regulated states
• Improved Exhaust Flow: Less restriction than aging OEM converters
• Stainless Steel Construction: Resists corrosion and thermal fatigue
• OEM-Friendly Design: Ideal for stock or lightly modified NA AMG setups
• Professional-Grade Quality: Engineered and manufactured by MagnaFlow

Technical Specifications

• Inlet Diameter: 2.25 in
• Outlet Diameter: 2.25 in
• Material: Stainless Steel
• Body Style: Clam Shell
• Oxygen Sensor Ports: None
• Installation Type: Weld-On (Universal Application)

Vehicle Compatibility — NA 55 AMG Only

• 2005 Mercedes-AMG C55
• 2001–2005 Mercedes-AMG CLK55
• 2005 Mercedes-AMG SLK55

⚠️ Not compatible with supercharged M113K models (E55, SL55, CLS55).

Installation Notes

• Universal weld-in catalytic converter
• Professional installation recommended
• Ensure proper alignment for optimal exhaust flow