Magnaflow 4583078 California Grade Direct-Fit Catalytic Converter CARB Compliant

The Magnaflow 4583078 is a California Grade, CARB-compliant direct-fit catalytic converter engineered as a precise OEM-style replacement. Designed to meet the strict emissions standards required by the California Air Resources Board (CARB), this converter is legal for sale and use in California and all other states that follow California emissions regulations.

MagnaFlow's direct-fit design means no cutting, welding, or modification is required during installation — the converter bolts directly into the factory exhaust location using existing mounting hardware and flanges, making it a straightforward replacement for professional and DIY installers alike.

Key Features:

• CARB Compliant — Meets California Air Resources Board emissions standards; legal in all 50 states
• Direct-Fit Design — Bolt-on installation with no cutting or welding required
• High-Flow Substrate — Premium catalytic substrate for efficient exhaust flow and emissions reduction
• Stainless Steel Construction — Durable stainless steel shell for corrosion resistance and long service life
• OEM-Style Flanges and Inlets — Precision-engineered to match factory exhaust geometry
• Meets or Exceeds OEM Standards — Restores proper exhaust function and emissions compliance

The Magnaflow 4583078 is built to restore your vehicle's emissions system to proper working order while maintaining exhaust efficiency. MPN: 4583078. Also commonly referenced as a direct-fit catalytic converter replacement unit.