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Exhaust Headers, Manifolds and Components

Flowtech

Shorty Headers Black Painted 2004-08 Ford F-150 V8-5.4L Shorty Header 1-5/8 Inch Primaries 2-1/2 Inch Collector Black Paint Carb Eo D-115-19 FlowTech

$575.95 $337.95 Save $238.00

SKU: F00M 91673FLT

In Stock
In Stock
Ships by Aug 5
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 91673FLT

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

Features:

  • 50 state legal
  • Mandrel Bent Tubing For Smooth Flow
  • Heavy duty 16-gauge tubing for increased strength and durability
  • 16-Gauge Tubing For Durability
  • Mandrel-bent tubing provide consistent tubing diameter for smooth flow and increased exhaust velocity
  • Increased Performance
  • 1-5/8" primary tube diameter for increased exhaust flow increasing performance and improving throttle response
  • Improved Throttle Response
  • OE style 2-1/2" ball and socket collector connects to factory exhaust head pipe
  • Leak Free Seal
  • TIG-welded, machined 3/8" header flange for a leak-free seal and maximum strength
  • Accommodates All Factory OE Components
  • Premium aluminum header gaskets included
  • Premium Hardware/Gaskets
  • 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

Headers - Shorty - 1-5/8 in Primary - 2-1/2 in Collector - Steel - Black Paint - Ford Modular - Ford Fullsize Truck 2004-08 - Pair

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Flowtech Headers are designed to provide increased exhaust flow, which can lead to improved performance, better throttle response, and a broader torque curve. They are made from heavy-duty 16-gauge tubing for increased strength and durability. These headers feature 1-5/8" primary tubes and a 2-1/2" collector. They accommodate all emission control devices and are 50-state legal with CARB EO D-115-19. Premium aluminum header gaskets and hardware are included.

Fitment

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Specifications

BrandFlowtech
Part NumberF00M 91673FLT

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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