800.345.4545
Unrivaled Customer Service
And Expert Tech Advice!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

Flowtech Shorty Headers 2004-2008 Ford F-150 5.4L 50-State Legal

Flowtech 91673-1

387-91673-1

jegs shipping
FREE Shipping
Estimated to ship directly from the manufacturer on 07/23/18
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
Flowtech Shorty Headers 2004-2008 Ford F-150 5.4L 50-State Legal $429.95
Short Headers
  • 2004-2008 Ford F-150
  • 5.4L
  • 1-5/8" Primary Tube
  • Mild Steel
  • Ceramic Metallic Coated Finish
  • C.A.R.B. EO D-115-19

  • Flowtech 91673-1 Details

    Ford

  • Ceramic Coated
  • Flowtech Headers are the perfect combination of quality and value. This header fits the popular 2004-2008 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
    • 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.


    Specifications:

    Engine Make/Size
    Ford 5.4L
    Material
    Steel
    Coating/Finish
    Ceramic Coated Mild Steel
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Tube Diameter
    1.625
    Port Shape
    Same As Port/Can Be Matched
    Tube Direction
    Down Swept
    Header Style
    Shorty
    Finish
    Silver Metallic Ceramic
    Tube Size
    1.625
    Manufacturer's Part Number:
    91673-1

    FlowTech's Shorty Truck Headers are the perfect starting point to customize your 2WD or or 4WD vehicle! Simply remove the restrictive factory exhaust manifolds and bolt these headers in their place. They will bolt directly to your factory or OE-style exhaust, giving you more power and better fuel economy. Mandrel-bent 16-gauge steel tubes along with extra thick 3/8" exhaust flanges provide a reliable header with a leak-free seal! These headers connect to all factory emissions equipment and include necessary hardware and gaskets.
    Features

    • 3/8" exhaust flanges
    • Mandrel-bent 16-gauge tubing (.049" thick)
    • Direct replacement for OE exhaust manifolds
    • Complete with premium gaskets and hardware
    • Accommodates all factory emissions-control devices
    • Available finishes include: High Temp Black Painted, Ceramic Coated, Natural Finish and Polished

    Does Flowtech 91673-1 fit your vehicle?

    Narrow Results

    2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • Liter: 5.4
    • SubModel: FX2
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2004-2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • EngineType: ALL
    • SubModel: LARIAT

    2005-2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • EngineType: ALL
    • SubModel: KING RANCH

    2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • EngineType: ALL
    • SubModel: LIMITED

    2006-2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • EngineType: ALL
    • SubModel: HARLEY-DAVIDSON EDITION

    2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • Liter: 5.4
    • SubModel: XTR
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • Liter: 5.4
    • SubModel: THE 60TH ANNIVERSARY EDITION
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2004-2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • Liter: 5.4
    • SubModel: XLT
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2004-2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • Liter: 5.4
    • SubModel: XL
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2004-2008 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • EngineType: ALL
    • SubModel: FX4

    2007 FORD F-150

    • Fitment_Note: Install Requires Motor Lifted Off Mounts To Fit Passenger Side~Professional Install Recommended
    • EngineType: ALL
    • SubModel: FX2
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations