Product Summary

Shorty Header Tube Type, D-port Exhaust Port Shape

  • Fits 2004-2008 Ford F-150 with the 5.4L engine
  • Headers are legal in all 50 states
  • Made from heavy duty 16-gauge tubing for increased strength and durability
  • Features OE style 2-1/2 ball and socket collector
  • Made from mild steel and painted black
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Key Specs

MFG. Part #91673FLT
Header Tube TypeShorty
Exhaust Port ShapeD-port
Flange StyleStandard
Primary Tube Diameter1-5/8"
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Flowtech Exhaust 91673FLT Details

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

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Flowtech Exhaust 91673FLT Specifications

D-115-19
KEY SPECS
MFG. Part #91673FLT
BrandFlowtech Exhaust
Header Tube TypeShorty
Exhaust Port ShapeD-port
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel
ColorBlack
Weld-UpNo
Collector Diameter2-1/2 Inch
FinishPainted
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedNo
Collector Attachment TypeBall and socket
CARB EO#
GENERAL
Sold in QuantityPair
GTIN Code090127688991
Flange Thickness0.375"
Emission Code1

Ratings & Reviews

4.5

2 Reviews

Overall Assessment

Customers appreciate the product's overall quality and practicality, stating that it meets expectations and fits as promised. They also describe it as a good product, highlighting its performance compared to competitors. This feedback confirms our product's usefulness, fantastic fitting feature and superior quality.

4.5

2 reviews

5

1

4

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Yes

5.0

5 years ago

Lance

Cleghorn, Iowa

Verified

They fit as said they would.

Would Recommend

Yes

4.0

7 years ago

Mahala

Hanover PA

Verified

Good procduct

Would Recommend

Showing 2 of 2 reviews

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