49 State

Flowmaster® Federal Catalytic Converters meet or exceed both OEM and USEPA standards and are intended for vehicles outside the state of California. Federal catalytic converters may not be sold or used on vehicles that are licensed in the state of California.


  • Exceeds all Federal USEPA requirements
  • Available in a wide variety of applications
  • 50,000 mile/5-year warranty on exterior casings
  • 25,000 mile internal components emissions warranty
  • Mandrel bent tubing for all Professional Series
  • NEW economically priced Standard Grade Series: The same great catalytic converters at a lower price!

49 State Catalytic Converter


Universal High-Flow Catalytic Converter
  • Compact case design allows it to fit into tight places.
  • Stainless steel, seamless spun case for an ultra-clean look.
  • Perfect for extreme temperature situations that occur in racing and highly modified vehicles.
  • Stainless steel substrate will hold up under severe-duty applications better than the ceramic substrates used on traditional replacement converters.
  • 200 cell construction provides maximum exhaust flow.
  • State-of-the-art precious metal loading process and materials to maximize emissions reduction.

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