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Headers for 1975 Dodge D100

We have 3 Items In-stock. Select your vehicle's Submodel to continue.

Hedman Painted Hedders

HEDMAN – PAINTED HEDDERS

Is that power-robbing stock manifold still on your vehicle? If you answered yes, then replace it with a Hedman Painted Header to lower your operating temps and release extra horsepower and torque from your engine. These hedders are designed for painting, so order a can of header paint in the color that best suits your vehicle. Hedman Hedders have always been made in the USA since the company was founded over 50 years ago. Bob Hedman started out making hedders as a one man shop but word spread fast about the horsepower and torque that Hedman hedders were producing. His hedders have been in demand by top engine builders and racers since the start. Hedman’s time perfecting hedders on the track and on the dyno ensures you will get optimum performance with every Hedman Header whether it is installed on your race car or daily driver.

  • Perfect for hot rod builds on a tight budget
  • Proudly manufactured in U.S.A.
  • Tubing size is 16 to 18 gauge depending on model
  • Size of flanges are 5/16 inch
  • These hedders are designed to be painted, so pick up a can of header paint in a color of your choice

NOTE: Not legal for use or sale in California on vehicles that came equipped with emission controls from the factory.

Hedman Headers, Hedman Painted Hedders, Steel, 4-1
$277.20 List Price $570.00 Save $292.80 Availability: In Stock
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  • SKU#: H5679080
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts/ Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: 3 in.
  • Emissions Legality: 49-State Legal - no CA shipments
  • Gaskets Included: Yes
  • Head Flange Thickness: 1/4 in.
  • Header Style: Long Tube
  • Number of Cylinders: 8
  • Primary Tube Diameter: 1.63 in.
  • Primary Tube Thickness: 18 Gauge
  • Warranty: Lifetime Hedman limited warranty
see more Fits the following 1975 Dodge D100 submodels:
  • 8 Cyl 5.9L | Custom
  • 8 Cyl 5.2L | Custom

Flowtech - Long Tube Performance Headers

FLOWTECH – LONG TUBE PERFORMANCE HEADERS

You can expect more power, torque and fuel efficiency after you bolt on a pair of Flowtech long tube performance headers. Designed and made to fit precisely, they feature leak-tested O-ring port seals and Mandrel-formed Power Plenums for low back pressure. You can improve the power and sound on your street machine with Flowtech’s wide range of performance exhaust products.

  • Includes mounting hardware and high-quality gaskets
  • Engineered and built to fit precisely for easy installation
  • Leak-tested O-ring port seals
  • Mandrel-formed, low back pressure Power Plenum
  • Add power and increase fuel efficiency at the same time
Flowtech Headers, Flowtech Long Tube, Steel, 4-1
$162.95 List Price $192.28 Save $29.33 Availability: In Stock
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  • SKU#: F3113500
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Set of 2
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts/ Studs Included: Yes
  • Collector Attachment Style: Flanged
  • Collector Diameter: 3 in.
  • Equal Length Primary Tubes: Yes
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 5/16 in.
  • Header Style: Long Tube
  • Includes: Gasket(s)
  • Number of Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 1/2 in.
  • Primary Tube Wall Thickness: 16-Gauge
  • Warranty: 90-day Flowtech warranty
see more Fits the following 1975 Dodge D100 submodels:
  • 8 Cyl 5.9L | Custom
  • 8 Cyl 5.2L | Custom
Rating: (see review/s)

"The parts were everything I expected. Ordering online was very fast and efficient." posted by: on December 29, 2007

4-1 For off road/track use Hooker Competition OE replacement Headers

Hooker Competition Headers are designed for optimal performance and have the auto industry's best welds for unmatched durability. These are available with fittings to completely accommodate the air-injection manifold.

Product Features:

  • 4-1 design
  • Tuned-length primary tubes for maximum exhaust scavenging and velocity
  • 16-gauge mild steel mandrel-bent tubing for smooth exhaust flow
  • Long transition collector for decreased back pressure
  • Machined flanges for a perfect seal

Note:

  • For off road use - Not legal for use on public roads and highways
Hooker Headers, Hooker Competition, Steel, 4-1
$269.09 List Price $317.53 Save $48.44 Availability: In Stock
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  • SKU#: H265902
  • Color/Finish: Black
  • Emissions: Not Street Legal In Ca Or Any State Adopting Ca Emissions - Intended For Closed Circuit Competition Use Only
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 6-7 business days
  • Number of Cylinders: 8
see more Fits the following 1975 Dodge D100 submodels:
  • 8 Cyl 5.9L | Custom
  • 8 Cyl 5.2L | Custom