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4" Universal High Flow Catalytic Converter


2001 - 2006 Chevy GMC 6.6L Duramax with aftermarket 4" Exhaust

Note: not available for direct-ship to California. A 2-3 business day delay before shipment is typical if going to California.

Pricing: $370.59

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Magnaflow Diesel METALLIC-CAT Catalytic Converter fits 2001 - 2006 Chevy GMC Duramax with 4" exhaust. Part # 60021
If you've replaced your factory exhaust system with a CAT-Delete system, you may have found yourself in a position where you need to re-install a catalytic converter to comply with your local emissions laws. We can help you out with a MagnaFlow Universal Diesel Catalytic Converter. These universal diesel catalytic converters are specially formulated to control diesel exhaust. They contain a metallic substrate for enhanced durability and maximum CFM flow to help retain the flow characteristics that your performance exhaust system was designed to deliver.

*Not CARB Approved

Shipping Information

  • Item Requires Shipping
  • 5.0 lbs.
  • W6.5000” x H6.5000” x L14.2500”
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