Flowtech® (11-14) Mustang GT 409SS 1.875" x 2.5" Shorty Headers

  • Sale
  • Regular price $493.95

Compatible: (5.0L)

2011 - 2014 Ford Mustang GT Coupe/Convertible


This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Flowtech Headers are the perfect combination of quality and value. These shorty style headers fit the popular 2011-2014 Ford Mustang 5.0L V-8 models.


  • Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1-7/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • OE style 2-1/2” collector connects to factory exhaust head pipe without 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 (PN 12140FLT), Polished (PN 12141FLT), and Silver Ceramic Coated (PN 32141FLT) finishes
  • These headers are a must upgrade if you are using a cold air intake, cat-back exhaust system or tuner

Install Guide: