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Flowtech

Flowtech Shorty Headers - Ceramic Coated

2004-08 Ford F-150 V8-5.4L Shorty Header, 1-5/8" Primaries, 2-1/2" Collector, Silver Metallic Ceramic, CARB EO D-115-19

Part # 91673-1FLT
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Flowtech Headers are the perfect combination of quality and value. This header fits the popular 2004-08 Ford F-150 V8-5.4L 2WD/4WD. This header features 1-5/8" primary tubes and a 2-1/2" collector for increased exhaust flow for increasing performance, improving throttle response and providing a broad torque curve. This header accommodates all emission control devices and comes with premium aluminum header gaskets and hardware. This header is coated with Satin Silver Metallic Ceramic Coating. 50 state legal - CARB EO D-115-19

Features:

  • 50 state legal
  • Heavy duty 16-gauge tubing for increased strength and durability
  • 1-5/8” primary tube diameter 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
  • TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
  • Mandrel-bent tubing provide consistent tubing diameter for smooth flow and increased exhaust velocity
  • Accommodates all factory OE components
  • Available in a high heat resistant black paint or a satin silver metallic ceramic thermal barrier coating
  • Premium aluminum header gaskets included
  • Headers are a must if you are using a cold air intake, cat-back exhaust system or tuner

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 FinishSilver Ceramic
Header StyleShorty
Primary Tube Dia.1-5/8 inch
Product TypeHeaders
Type of ComponentMild Steel
UPC090127689004
Part Number91673-1FLT
1

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 of this header requires the motor to be lifted off of the mounts to fit the passenger side header. If you don't have this capability, we recommend professional installation. Please read the installation instructions completely prior to installation.
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Some parts are not legal for use in California or other states with similar regulations.