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Headers for 1981 Plymouth Trailduster

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
$223.38 List Price $464.28 Save $240.90 Availability: In Stock
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  • SKU#: H5679170
  • 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 Style: Standard
  • Head Flange Thickness: 1/4 in.
  • Header Style: Long Tube
  • Number of Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1.63 in.
  • Primary Tube Thickness: 18 Gauge
  • Warranty: Lifetime Hedman limited warranty
see more Fits the following 1981 Plymouth Trailduster submodels:
  • 8 Cyl 5.2L | Base
  • 8 Cyl 5.9L | Base

49-state legal - no CA shipments Flowtech I Headers

Flowtech I Block Hugger Headers are carefully engineered and tested to help your vehicle achieve its maximum performance while improving fuel economy. These block hugger headers are great for street rods because of their tight fit, and stylish design and finish. For engine swaps, Flowtech Block Hugger Headers make additional performance upgrades and styling even easier. Purchase along with Flowtech Hugger Toobs for hassle-free integration to the existing exhaust system.

Features:
  • Manufactured using heavy-duty 16-gauge tubing
  • Computer assisted mandrel tube bending for smoother air flow
  • Tight-tuck design fits narrow frame rails
  • Precision die-cut exhaust port flanges
  • Reliable leak-proof seal
  • Compatible with stock motor mounts

Notes:

  • 49-state legal; Not for sale or use in California; Not legal in California and other states adopting California Emissions Standards; Not for sale or use in California and other states adopting California Emissions Standards; Cannot be shipped to California and such states
Flowtech Headers, Flowtech I, Steel, 4-1
$165.46 List Price $195.24 Save $29.78 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: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Collector Attachment Style: Weld-On
  • Collector Diameter: 3 in.
  • Equal Length Primary Tubes: Yes
  • Head Flange Style: Standard
  • Includes: Gasket(s)
  • Number of Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1.63 in.
  • Primary Tube Wall Thickness: 16-gauge
  • Warranty: 90-day Flowtech warranty
see more Fits the following 1981 Plymouth Trailduster submodels:
  • 8 Cyl 5.2L | Base
  • 8 Cyl 5.9L | Base
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
$231.25 List Price $272.88 Save $41.63 Availability: In Stock
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  • SKU#: H265902
  • Color/Finish: Black
  • Emissions: For off road/track use
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Number of Cylinders: 8
see more Fits the following 1981 Plymouth Trailduster submodels:
  • All Engines | All Submodels