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Flowtech Exhaust

Flowtech Shorty Headers - Black Painted

Part # 91674FLT Be the first to write a review

2011-2017 Ford F-150 5.0L V8 Shorty Header- Black Painted. CARB EO# D-115-28

Flowtech Shorty Headers - Black Painted

Estimated Ship Date: 06/26/2026
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$499.95
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Emissions

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.

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Flowtech headers are the perfect combination of performance and value. Flowtech shorty headers are precision engineered using mandrel bent tubing, formed collectors and 3/8" flanges for a leak-free seal. Header gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance. CARB EO# D-115-28.

Features:

  • Shorty design headers for popular 2011-2017 F-150 5.0L V8 “Coyote” equipped engine.
  • Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1.625” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • Machined 3/8” header flanges for a leak-free seal and maximum strength
  • Premium aluminum header gaskets included

About Flowtech Exhaust

Flowtech provides high-quality performance exhaust systems at a great value. Explore our lineup of headers, mufflers, and exhaust systems at our official retailer, Holley.com!​

Air Injection TubesNo
Bolt SizeM10 x 1.25 x 35 MM
Bolts IncludedYes
Brand Flowtech Exhaust
C.A.R.B. EO #D-115-28
California Proposition 65Yes
CARB (California) CompliantYes
CategoryExhaust
Collector Attachment2-Bolt Flange
Collector Diameter2.50 IN
Collector Reducer IncludedNo
Collector Reducer Outlet DiameterN/A
ColorBlack
DesignShorty
Drive2WD
4WD
EGT PortNo
Emission Code1
EngineFord Coyote
FinishPainted
Flange Thickness0.3125 IN
0.375 IN
3/8 IN
5/16 IN
Gasket Or Seal IncludedYes
Grade TypePerformance
Header SeriesShorty Smog
Header StyleShorty
MaterialMild Steel
Mounting Hardware IncludedYes
Oxygen Sensor PortNo
Part TypeExhaust Header
Port ShapeRound
Primary Tubing Diameter1 5/8 IN
1.625 IN
Product TypeHeaders
QuantitySold as a Pair
Sheen LevelSatin
Sub CategoryExhaust Manifolds
Tube Wall Thickness16 GU
UPC090127720998
Part Number91674FLT
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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

C.A.R.B. EO #D-115-28

Instructions - 91674flt.pdf
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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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