Flowmaster® (99-05) GM SUV/Truck 409SS Direct Fit EPA Catalytic Converter

  • Sale
  • Regular price $724.95


2002 - 2006 Cadillac Escalade (5.3L)

2002 - 2006 Chevy Avalanche (5.3L)

1999 - 2006 Chevy Silverado (4.3L/4.8L/5.3L)

1999 - 2005 Chevy Tahoe (4.8L/5.3L)

1999 - 2005 Chevy Suburban (5.3L)

1999 - 2006 GMC Sierra (4.3L/4.8L/5.3L)

1999 - 2005 GMC Yukon (4.8L/5.3L)

Fits 2000 to 2006 Chevrolet and GMC C/K Pickup, and SUV with a 4.3L V6 engine, and 4.8L and 5.3L V8 engines. Fits 2000 Models WITH flat spot in OE middle pipe; see p/n 2010018 for models WITHOUT flat spot.


This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle


Flowmaster Federal direct fit catalytic converters are available for a variety of popular applications. These stainless steel converters meet USEPA standards and include a 25,000 mile emissions, and 50,000 mile/5 year exterior casing warranty.


  • Flowmaster Quality
  • Meets or exceeds all USEPA 49-state requirements
  • Available for a variety of Direct Fits


Air Tube Adaptable No
Body Length (in) N/A
Body Width (in) N/A
Brand Flowmaster
CARB (California) Compliant No
Emission Code 2
Grade Premimum Grade
Inlet Connection Type Flanged
Inlet Diameter (in) 2.5
Material Stainless Steel
Outlet Connection Type Flanged
Outlet Diameter (in) 3
Oxygen Sensor Location Pre & Post Catalyst
Product Type Catalytic Converter
Substrate Material Ceramic
California Proposition 65 Required No
Part Number 2010019