Flowtech Long Tube Headers- Ceramic Finish

2011-14 Mustang 5.0L V8 409SS 1.75" Long Tube Headers - Ceramic Finish

PART# 32139FLT

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Flowtech Headers are the perfect combination of quality and value. These Full Length (Long Tube) style headers fit the popular 2011-2014 Ford Mustang 5.0L V-8 models.


  • Mandrel-bent 409 Stainless Steel (12135FLT and 32139FLT) or 304 Stainless Steel (12139FLT) tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1-3/4” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • OE style 2-1/2” ball and socket collector connects to factory exhaust head pipe with no cutting or welding
  • TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
  • Premium aluminum header gaskets included
  • Available finishes include Natural, Polished, and Silver Ceramic Coated finishes
  • These headers are a must upgrade if you are using a cold air intake, cat-back exhaust system or tuner


Application2011-2014 Ford 5.0L
Collector Diameter2-1/2 inch
Emission Code3
Header StyleLong Tube
Material409 Stainless Steel
Primary Tube Dia.1-3/4 inch
Product TypeHeader
Part Number32139FLT


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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