Flowmaster® (05-10) Mustang V6 EPA 409SS Direct Fit Catalytic Converter

  • Sale
  • Regular price $629.95

Compatible: (4.0L)

2005 - 2010 Ford Mustang V6


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's Federal legal direct fit catalytic converter is for the 2005 to 2009 Mustang with the 4.0L engine. These stainless steel converters meet USEPA standards and include a 25,000 mile emissions, and 50,000 mile/5 year exterior casing warranty. Please note: These USEPA Federal converters are not available for sale or use on vehicles licensed or operated in the state of California.


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

Air Tube Adaptable No
Assembly Length (in) 52
Assembly Width (in) 28
Body Length (in) N/A
Body Width (in) N/A
Brand Flowmaster
CARB (California) Compliant No
Emission Code 2
Fitment Direct EO Replacement
Grade Premimum Grade
Inlet Connection Type Flanged
Inlet Diameter (in) 2.25
Location Left and Right
Material Stainless Steel
Outlet Connection Type Clamp On
Outlet Diameter (in) 2.25
Oxygen Sensor Location Pre & Post Catalyst
Product Type Catalytic Converter
Substrate Material Ceramic
California Proposition 65 Required No
Part Number 2020040

Install Guide: