Exhaust Headers ... Bolt On up to 20% Horsepower Increase

1973-87 Chevy & GMC Truck
1973-89 Crew Cab
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Exhaust Headers ... Bolt On up to 20% Horsepower Increase
  1. Exhaust Headers ... Bolt On up to 20% Horsepower Increase
Limited Lifetime Warranty
Headers listed below are USA Street Legal ONLY on models not equipped with factory catalytic converter.
All Header Sets Below are

Hedman Headers have 3" collector tubes for excellent exhaust flow, reducing back pressure and improving performance. Includes hardware, gaskets and instructions needed for installation. Headers are painted black. Tests have shown a 1.1 second improvement in 0 to 60 second times. Expect up to a 20% increase in horsepower and up to a 10% increase in gas mileage. Call or go online and order yours today!

Increases in fuel efficiency and horsepower are based on a truck operating at factory specifications. Increases may vary according to the condition of your truck and driving habits.

New mid-length headers provide maximum ground clearance for lowered trucks and allow exhaust pipes to be tucked so they don't extend below the frame rails.

When installing headers it will be necessary to cut the existing exhaust pipes to attach the included exhaust reducers. In most cases, new lead pipes will need to be fabricated. For trucks with power steering, a Power Steering Spacer Kit #36-6023 is needed for proper belt alignment.

*After the sell price means Oversize Part Charge. Your order will incur a charge of $20.00 for each oversized part. Due to packing and/or transportation requirements, please allow additional time for delivery. Oversized Parts are not available for air delivery.

Full Parts List
Part # Description Application Reqd Price Stock Status QTY.
Mid-Length Headers
36-6003
  • "A" Without smog injection or injection heads.
  • "B" Air conditioned trucks with compressor on driver's side require bracket #36-6024.
  • "C" Must modify rotary A/C bracket.
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
Header Set 305 350 400 "A"B"C"
  • "A" Without smog injection or injection heads.
  • "B" Air conditioned trucks with compressor on driver's side require bracket #36-6024.
  • "C" Must modify rotary A/C bracket.
2wd 73-87 $299.95 In Stock
QTY Required
36-6005
  • "A" Without smog injection or injection heads.
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
Header Set 454 "A"
  • "A" Without smog injection or injection heads.
2wd 73-87 $349.95 In Stock
QTY Required
Full-Length Headers
36-6020
  • "A" Without smog injection or injection heads.
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
Header 250 292 "A"
  • "A" Without smog injection or injection heads.
Chevy GMC 73-79 $329.95 In Stock
QTY Required
36-6010
  • "A" Without smog injection or injection heads.
  • "B" Air conditioned trucks with compressor on driver's side require bracket #36-6024.
  • "C" Must modify rotary A/C bracket.
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
Header Set 305 350 400 "A"B"C"
  • "A" Without smog injection or injection heads.
  • "B" Air conditioned trucks with compressor on driver's side require bracket #36-6024.
  • "C" Must modify rotary A/C bracket.
2wd 73-87 $309.95 In Stock
QTY Required
36-6000
  • "A" Without smog injection or injection heads.
  • "B" Air conditioned trucks with compressor on driver's side require bracket #36-6024.
  • "C" Must modify rotary A/C bracket.
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
Header Set 305 350 400 "A"B"C"
  • "A" Without smog injection or injection heads.
  • "B" Air conditioned trucks with compressor on driver's side require bracket #36-6024.
  • "C" Must modify rotary A/C bracket.
4wd 73-81 $269.95 In Stock
QTY Required
36-6010
  • "A" Without smog injection or injection heads.
  • "C" Must modify rotary A/C bracket.
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
Header Set 305 350 "A"C"
  • "A" Without smog injection or injection heads.
  • "C" Must modify rotary A/C bracket.
4wd 82-87 $309.95 In Stock
QTY Required
36-6014
  • "A" Without smog injection or injection heads.
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
Header Set 454 "A"
  • "A" Without smog injection or injection heads.
2wd 73-87 $339.95 In Stock
QTY Required
36-6024
Color:
Black
Finish:
Painted
Material:
Steel
Color:
Black
Finish:
Painted
Material:
Steel
A/C Compressor Bracket Chevy GMC 73-84 $21.95 In Stock
QTY Required
36-6023
Color:
Black
Finish:
Phosphate
Material:
Steel
Color:
Black
Finish:
Phosphate
Material:
Steel
Power Steering Spacer Kit 305-400 73-89 $6.95 In Stock
QTY Required
Close
Part # Description Application Reqd Price Stock Status QTY.

Vehicle Application

Includes Parts for the Following Models:

1973 Chevy C10 Pickup 1974 Chevy C10 Pickup 1975 Chevy C10 Pickup 1976 Chevy C10 Pickup 1977 Chevy C10 Pickup 1978 Chevy C10 Pickup 1979 Chevy C10 Pickup 1980 Chevy C10 Pickup 1981 Chevy C10 Pickup 1982 Chevy C10 Pickup 1983 Chevy C10 Pickup 1984 Chevy C10 Pickup 1985 Chevy C10 Pickup 1986 Chevy C10 Pickup 1987 Chevy C10 Pickup 1973 Chevy K10 Pickup 1974 Chevy K10 Pickup 1975 Chevy K10 Pickup 1976 Chevy K10 Pickup 1977 Chevy K10 Pickup 1978 Chevy K10 Pickup 1979 Chevy K10 Pickup 1980 Chevy K10 Pickup 1981 Chevy K10 Pickup 1982 Chevy K10 Pickup 1983 Chevy K10 Pickup 1984 Chevy K10 Pickup 1985 Chevy K10 Pickup 1986 Chevy K10 Pickup 1987 Chevy K10 Pickup 1973 Chevy C20 Pickup 1974 Chevy C20 Pickup 1975 Chevy C20 Pickup 1976 Chevy C20 Pickup 1977 Chevy C20 Pickup 1978 Chevy C20 Pickup 1979 Chevy C20 Pickup 1980 Chevy C20 Pickup 1981 Chevy C20 Pickup 1982 Chevy C20 Pickup 1983 Chevy C20 Pickup 1984 Chevy C20 Pickup 1985 Chevy C20 Pickup 1986 Chevy C20 Pickup 1987 Chevy C20 Pickup 1973 Chevy K20 Pickup 1974 Chevy K20 Pickup 1975 Chevy K20 Pickup 1976 Chevy K20 Pickup 1977 Chevy K20 Pickup 1978 Chevy K20 Pickup 1979 Chevy K20 Pickup 1980 Chevy K20 Pickup 1981 Chevy K20 Pickup 1982 Chevy K20 Pickup 1983 Chevy K20 Pickup 1984 Chevy K20 Pickup 1985 Chevy K20 Pickup 1986 Chevy K20 Pickup 1987 Chevy K20 Pickup 1973 Chevy Crew Cab 1974 Chevy Crew Cab 1975 Chevy Crew Cab 1976 Chevy Crew Cab 1977 Chevy Crew Cab 1978 Chevy Crew Cab 1979 Chevy Crew Cab 1980 Chevy Crew Cab 1981 Chevy Crew Cab 1982 Chevy Crew Cab 1983 Chevy Crew Cab 1984 Chevy Crew Cab 1985 Chevy Crew Cab 1986 Chevy Crew Cab 1987 Chevy Crew Cab 1988 Chevy Crew Cab 1989 Chevy Crew Cab 1973 GMC C15 Pickup 1974 GMC C15 Pickup 1975 GMC C15 Pickup 1976 GMC C15 Pickup 1977 GMC C15 Pickup 1978 GMC C15 Pickup 1979 GMC C15 Pickup 1980 GMC C15 Pickup 1981 GMC C15 Pickup 1982 GMC C15 Pickup 1983 GMC C15 Pickup 1984 GMC C15 Pickup 1985 GMC C15 Pickup 1986 GMC C15 Pickup 1987 GMC C15 Pickup 1973 GMC K15 Pickup 1974 GMC K15 Pickup 1975 GMC K15 Pickup 1976 GMC K15 Pickup 1977 GMC K15 Pickup 1978 GMC K15 Pickup 1979 GMC K15 Pickup 1980 GMC K15 Pickup 1981 GMC K15 Pickup 1982 GMC K15 Pickup 1983 GMC K15 Pickup 1984 GMC K15 Pickup 1985 GMC K15 Pickup 1986 GMC K15 Pickup 1987 GMC K15 Pickup 1973 GMC C25 Pickup 1974 GMC C25 Pickup 1975 GMC C25 Pickup 1976 GMC C25 Pickup 1977 GMC C25 Pickup 1978 GMC C25 Pickup 1979 GMC C25 Pickup 1980 GMC C25 Pickup 1981 GMC C25 Pickup 1982 GMC C25 Pickup 1983 GMC C25 Pickup 1984 GMC C25 Pickup 1985 GMC C25 Pickup 1986 GMC C25 Pickup 1987 GMC C25 Pickup 1973 GMC K25 Pickup 1974 GMC K25 Pickup 1975 GMC K25 Pickup 1976 GMC K25 Pickup 1977 GMC K25 Pickup 1978 GMC K25 Pickup 1979 GMC K25 Pickup 1980 GMC K25 Pickup 1981 GMC K25 Pickup 1982 GMC K25 Pickup 1983 GMC K25 Pickup 1984 GMC K25 Pickup 1985 GMC K25 Pickup 1986 GMC K25 Pickup 1987 GMC K25 Pickup

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