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Flowmaster Header-back Exhaust System

Fits 1964-1967 GM A-Bodies, 3.0 inch aluminized pipe kit

PART# 1041

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Fits 1964-1967 GM A-Body with V8 engine. Use Offset Inlet/Opposite Side Offset Outlet mufflers.


This mandrel-bent headers-back exhaust system is custom designed for most 1964-1967 GM A-body cars and is perfect for the person looking for true dual exhaust system. This system comes complete minus the mufflers and allows you to choose the sound level of the Flowmaster performance mufflers you desire for your vehicle. System features include all mandrel-bent 3.00-inch aluminized steel tubing, an H-pipe to equalize the exhaust gas pressures and sound for maximum performance and maximum clearance. Designed for an easy fit, these systems covered by our 3-year Limited Warranty. Notes: Requires 3.00-inch Offset Inlet/Opposite side Offset Outlet such as part# 943048 (Super 44 Series) or 53058 (Super 50 Series) mufflers.


  • Mandrel-bent for Maximum Performance
  • High Clearance around Rear Differential
  • Designed for Double Off-set Mufflers
  • 16 Gauge Aluminzed Steel Tubing
  • Mufflers Sold Separately
  • 3-year Limited Warranty


Automotive Item GradeHigh Performance
Emission Code3
Exhaust Pipe Wall Maximum Gauge16
Exit PositionDual Side Exit
MaterialAluminized Steel
Mount TypeUses New Hangers (Not Included)
Product TypeExhaust System
Single DualDual
System TypePipe Kit
Tip Diameter (in)3
Tip ShapeRound
Tip StyleStraight Cut
Tubing Diameter (in)3
Type of ExhaustHeader-Back
California Proposition 65 RequiredNo
Part Number1041



This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only 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

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

Does Not Include Header Collector Adapter Cones or hardware. Fabrication required for installation of H-pipe.


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      *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

      Some parts are not legal for use in California or other states with similar regulations.

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