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Flowtech Shorty Headers - Black Painted

2005-2009 Ford Mustang GT V8-4.6L, Tube Size 1-5/8" O.D., Collector Size 2-1/2", Black Paint, CARB EO D-115-19

Part # 12124FLT Be the first to write a review
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Flowtech Headers are the perfect combination of quality and value. This shorty header fits the popular 2005-2009 Ford Mustang GT V8-4.6L and bolts up to the factory exhaust. 50 state legal - CARB EO D-115-19


  • 50 state legal
  • High flow, mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty tubing and high quality welds for increased strength and durability
  • Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance, improving throttle response and broadening the torque curve
  • 2-1/2” collector used for high tuck design and maximum exhaust component clearance
  • Machined 3/8” header flange for a leak-free seal and maximum strength
  • Premium aluminum header gaskets and installation hardware included
  • Heat resistant black paint for a stealthy look
  • Shorty header design mounts to factory exhaust system
  • Accommodates all emission control devices

About Flowtech

Performance and value intersect at Flowtech. From full-length stainless steel headers for your 1969 Camaro to turbo-back exhaust systems for your late model diesel truck, Flowtech delivers the sound and power you're looking for while being easy on your wallet.

Bolt SizeM8 x 1.25 x 25mm
Brand Flowtech
CARB (California) CompliantYes
CARB EO#D-115-19
Collector Diameter2.50 inch
Emission Code1
EngineFord Modular V8
Flange Size3/8 Inch
Header FinishBlack Paint
Header StyleShorty
Primary Tube Dia.1-5/8 inch
Product TypeHeaders
Part Number12124FLT

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

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
The installation is very tight and requires raising the motor. Please review the installation instructions for more details.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.