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Street Race Truck More... The Toolbox
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$367.95
$297.86
Flowtech 91673FLT Shorty Headers, 2004-08 Ford F-150, 5.4L, Painted
Flowtech 91673FLT Shorty Headers, 2004-08 Ford F-150, 5.4L, Painted

Flowtech 91673FLT Shorty Headers, 2004-08 Ford F-150, 5.4L, Painted

5.4 Ford Modular V8, Shorty Header Tube Type, Painted, SAP - Same as Port Flange Style, Black

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Flowtech 91673FLT Shorty Headers, 2004-08 Ford F-150, 5.4L, Painted
Flowtech 91673FLT Shorty Headers, 2004-08 Ford F-150, 5.4L, Painted
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Part # 42591673FLT
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$297.86
$367.95
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Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Header Tube Type:
Shorty
Finish:
Painted
Flange Style:
SAP - Same as Port
Primary Tube Diameter:
1-5/8"
Material Type:
Mild Steel
Color:
Black
MFG. Part #:
91673FLT
Collector Diameter:
2-1/2 Inch
Flange Thickness:
0.375"
Hardware Included:
Yes
Gasket(s) Included:
Yes
Sold in Quantity:
Pair
Emission Code:
1
GTIN Code:
090127688991

Info

HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

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. 50 state legal - CARB EO D-115-19

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

Installation Instructions (PDF)

Installation Instructions (PDF)

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

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  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • Wouldn't it be nice to get the best of both worlds out of your headers? Speedway Motors has solved that problem with our exclusive heat resistant Armor Hot Coating. Now you can keep that great look with longer life.
  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.

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