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Headers for 1977 Ford Thunderbird

We have 3 Items In-stock.

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.

  • 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


  • 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
$178.55 List Price $210.69 Save $32.14 Availability: In Stock
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  • SKU#: F3112000
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Minor Modifications
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
  • Collector Diameter: 2.5 in.
  • Number of Cylinders: 8
  • Primary Tube Diameter: 1.63 in.
  • Primary Tube Wall Thickness: 16-gauge
  • Warranty: 90-day Flowtech warranty
see more Fits the following 1977 Ford Thunderbird submodels:
  • 8 Cyl 5.8L | Base