Flowtech Flathead Rear Exit Block Hugger Headers - Stainless Steel

Block Hugger Header; Flathead Ford; Rear Exit Collector; Stainless Steel Construction

PART# 12701-7FLT

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Flowtech Headers are the perfect combination of quality and value. This rear exit block hugger header fits all Fords with the popular Flathead Ford motor.


  • Tight fit block hugger designed for popular Street Rods powered by the popular Flathead Ford motors
  • Rear exit design is perfect for most Street Rod applications and has that vintage look
  • Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1-3/4” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • Machined 3/8” header flange for a leak-free seal and maximum strength
  • Premium aluminum header gaskets and hardware is included
  • Header is constructed from polished 304 stainless steel for maximum strength, corrosion resistance and a classic look


Emission Code3
Flange Size3/8
Header FinishNatural
Header StyleBlock Hugger
Primary Tube Dia.1-3/4 inch
Product TypeBlock Hugger
Tube Material304 Stainless Steel
Part Number12701-7FLT


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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