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Doug's Headers D300Y-B Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, Blk

-9%

#447D300YB

Doug's Headers D300Y-B Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, Blk

Name: Doug's Headers D300Y-B Tri-Y Header, 1-5/8 In, 73-87 Chevy Truck, Blk
Brand: Doug's Headers
SKU: 447D300YB
Price: 776.35 USD
Availability: InStock

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$776.35

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$853.99

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Product Summary

Tri-Y Header Tube Type, Oval Exhaust Port Shape, Steel

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Key Specs

MFG. Part #	D300Y-B
Header Tube Type	Tri-Y
Exhaust Port Shape	Oval
Flange Style	Standard
Primary Tube Diameter	1-5/8"

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Need To Know

Need help?

855.313.9176

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Quick and Easy Returns

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Doug's Headers D300Y-B Details

3/8" Thick machined flanges...no warping
CNC mandrel bent tubes... accurate fit & better flow
Tri-Y headers yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy
Heavy 16 gauge tubing...longer life
Tubes are pre-polished to remove scratches and the header is finished with a Hi-Temp Black Coating

Doug's Headers D300Y-B 1 5/8" Tri-Y Header Chevrolet Truck Small Block Chevrolet 73-87 Hi-Temp Black Coating

Doug's Headers D300Y-B 1 5/8" Tri-Y Header Chevrolet Truck Small Block Chevrolet 73-87 Hi-Temp Black Coating

Guides & Documents

Headers Installation Instructions (447D300YB)

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

Doug's Headers D300Y-B Specifications

KEY SPECS
MFG. Part #	D300Y-B
Brand	Doug's Headers
Header Tube Type	Tri-Y
Exhaust Port Shape	Oval
Flange Style	Standard
Primary Tube Diameter	1-5/8"
Material Type	Steel
Color	Black
Weld-Up	No
Collector Diameter	2-1/2 Inch
Finish	Hi-Temp Black
Hardware Included	Yes
Gasket(s) Included	Yes

GENERAL
Sold in Quantity	Pair
GTIN Code	694342542467

Ratings & Reviews

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Questions & Answers

1 Question • 1 Answer

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Will these headers work with a manual transmission in a 1983 Chevy 3/4 ton 4x4?

by Bowtiefix

• 2 years ago

1 answer

View Answer

1 of 1 questions shown

Fitment

1968 Chevy Bel Air

Gen 1 L14 Small Block Chevy

1970-1975 Chevy Bel Air

2-Piece Rear Main Chevy 400

1968 Chevy Biscayne

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Biscayne

2-Piece Rear Main Chevy 400

1969-1973 Chevy Blazer

Gen 1 L14 Small Block Chevy

1969 Chevy Brookwood

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Brookwood

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1968-1973 Chevy C10

Gen 1 L14 Small Block Chevy

1976-1980 Chevy C10

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1981-1982 Chevy C10

Gen 1 LG3 Small Block Chevy

1983 Chevy C10

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1984 Chevy C10

Gen 1 LG3 Small Block Chevy

1985 Chevy C10

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1986 Chevy C10

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy C10 Suburban

Gen 1 L14 Small Block Chevy

1976-1982 Chevy C10 Suburban

Gen 1 LG3 Small Block Chevy

1983 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1985 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1968-1973 Chevy C20

Gen 1 L14 Small Block Chevy

1976 Chevy C20

2-Piece Rear Main Chevy 400

1977-1980 Chevy C20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1981-1982 Chevy C20

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy C20 Suburban

Gen 1 L14 Small Block Chevy

1976-1978 Chevy C20 Suburban

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1979-1980 Chevy C20 Suburban

2-Piece Rear Main Chevy 400

1968-1973 Chevy C30

Gen 1 L14 Small Block Chevy

1976-1977 Chevy C30

2-Piece Rear Main Chevy 400

1978-1979 Chevy C30

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1969-1973 Chevy Camaro

Gen 1 L14 Small Block Chevy

1976-1982 Chevy Camaro

Gen 1 LG3 Small Block Chevy

1968-1969 Chevy Caprice

Gen 1 L14 Small Block Chevy

1970-1973 Chevy Caprice

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1976 Chevy Caprice

2-Piece Rear Main Chevy 400

1977 Chevy Caprice

Gen 1 LG3 Small Block Chevy

1983 Chevy Caprice

2-Piece Rear Main Chevy 350

1985 Chevy Caprice

2-Piece Rear Main Chevy 350

1968-1969 Chevy Chevelle

Gen 1 L14 Small Block Chevy

1970-1973 Chevy Chevelle

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1968 Chevy Chevy II

Gen 1 L14 Small Block Chevy

1980 Chevy Corvette

Gen 1 LG3 Small Block Chevy

1985 Chevy Corvette

2-Piece Rear Main Chevy 350

1968-1969 Chevy El Camino

Gen 1 L14 Small Block Chevy

1970-1973 Chevy El Camino

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1975 Chevy El Camino

2-Piece Rear Main Chevy 400

1976 Chevy El Camino

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1977 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1978-1979 Chevy El Camino

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1980-1982 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1983 Chevy El Camino

2-Piece Rear Main Chevy 350

1969 Chevy Estate

Gen 1 L14 Small Block Chevy

1970 Chevy Estate

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1976 Chevy G10

2-Piece Rear Main Chevy 400

1977-1982 Chevy G10

Gen 1 LG3 Small Block Chevy

1968-1969 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1970 Chevy G10 Van

2-Piece Rear Main Chevy 350
Gen 1 L14 Small Block Chevy

1971-1973 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1975-1976 Chevy G20

2-Piece Rear Main Chevy 400

1977-1980 Chevy G20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1981-1982 Chevy G20

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy G20 Van

Gen 1 L14 Small Block Chevy

1975-1977 Chevy G30

2-Piece Rear Main Chevy 400

1978-1979 Chevy G30

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980 Chevy G30

2-Piece Rear Main Chevy 400

1982 Chevy G30

Gen 1 LG3 Small Block Chevy

1970 Chevy G30 Van

2-Piece Rear Main Chevy 350

1968-1969 Chevy Impala

Gen 1 L14 Small Block Chevy

1970-1973 Chevy Impala

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1976 Chevy Impala

2-Piece Rear Main Chevy 400

1977-1982 Chevy Impala

Gen 1 LG3 Small Block Chevy

1983 Chevy Impala

2-Piece Rear Main Chevy 350

1985 Chevy Impala

2-Piece Rear Main Chevy 350

1968-1973 Chevy K10

Gen 1 L14 Small Block Chevy

1975-1976 Chevy K10

2-Piece Rear Main Chevy 400

1977-1979 Chevy K10

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980 Chevy K10

2-Piece Rear Main Chevy 400

1981-1982 Chevy K10

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy K10 Suburban

Gen 1 L14 Small Block Chevy

1975 Chevy K10 Suburban

2-Piece Rear Main Chevy 400

1976-1979 Chevy K10 Suburban

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980-1982 Chevy K10 Suburban

Gen 1 LG3 Small Block Chevy

1968-1973 Chevy K20

Gen 1 L14 Small Block Chevy

1975-1976 Chevy K20

2-Piece Rear Main Chevy 400

1977-1978 Chevy K20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1979 Chevy K20

2-Piece Rear Main Chevy 400

1980 Chevy K20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1968-1973 Chevy K20 Suburban

Gen 1 L14 Small Block Chevy

1975-1976 Chevy K20 Suburban

2-Piece Rear Main Chevy 400

1977-1978 Chevy K20 Suburban

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1979-1980 Chevy K20 Suburban

2-Piece Rear Main Chevy 400

1968-1973 Chevy K30

Gen 1 L14 Small Block Chevy

1977-1980 Chevy K30

2-Piece Rear Main Chevy 400

1970-1974 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1975-1976 Chevy K5 Blazer

2-Piece Rear Main Chevy 400

1977-1979 Chevy K5 Blazer

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980-1981 Chevy K5 Blazer

Gen 1 LG3 Small Block Chevy

1983 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1985 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1969 Chevy Kingswood

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Kingswood

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1973 Chevy Laguna

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1975 Chevy Laguna

2-Piece Rear Main Chevy 400

1976 Chevy Laguna

2-Piece Rear Main Chevy 350
2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1973 Chevy Malibu

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1975 Chevy Malibu

2-Piece Rear Main Chevy 400

1976 Chevy Malibu

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1977-1982 Chevy Malibu

Gen 1 LG3 Small Block Chevy

1970-1971 Chevy Monte Carlo

2-Piece Rear Main Chevy 350
2-Piece Rear Main Chevy 400

1972 Chevy Monte Carlo

2-Piece Rear Main Chevy 400

1973-1975 Chevy Monte Carlo

2-Piece Rear Main Chevy 350
2-Piece Rear Main Chevy 400

1976 Chevy Monte Carlo

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1977 Chevy Monte Carlo

Gen 1 LG3 Small Block Chevy

1982-1983 Chevy Monte Carlo

2-Piece Rear Main Chevy 350

1976-1979 Chevy Monza

Gen 1 LG3 Small Block Chevy

1969-1973 Chevy Nova

Gen 1 L14 Small Block Chevy

1975 Chevy Nova

2-Piece Rear Main Chevy 350

1976-1979 Chevy Nova

Gen 1 LG3 Small Block Chevy

1976 Chevy P30

2-Piece Rear Main Chevy 400

1980-1983 Chevy P30

2-Piece Rear Main Chevy 350

1985 Chevy P30

2-Piece Rear Main Chevy 350

1968-1969 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1970 Chevy P30 Van

2-Piece Rear Main Chevy 350

1973 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1969 Chevy Townsman

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Townsman

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1967 GMC C15/C1500 Suburban

2-Piece Rear Main Chevy 350

1980-1984 GMC C1500

2-Piece Rear Main Chevy 350

1980-1986 GMC C1500 Suburban

2-Piece Rear Main Chevy 350

1968-1972 GMC C25/C2500 Pickup

Gen 1 L14 Small Block Chevy

1968-1972 GMC C25/C2500 Suburban

Gen 1 L14 Small Block Chevy

1968-1972 GMC C35/C3500 Pickup

Gen 1 L14 Small Block Chevy

1973-1974 GMC C35/C3500 Pickup

2-Piece Rear Main Chevy 400

1978-1987 GMC Caballero

2-Piece Rear Main Chevy 350

1975-1978 GMC G15

2-Piece Rear Main Chevy 350

1967-1974 GMC G15/G1500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G1500

2-Piece Rear Main Chevy 350

1975-1978 GMC G25

2-Piece Rear Main Chevy 350

1967-1974 GMC G25/G2500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G2500

2-Piece Rear Main Chevy 350

1975-1978 GMC G35

2-Piece Rear Main Chevy 350

1967 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1970-1974 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G3500

2-Piece Rear Main Chevy 350

1974-1977 GMC Jimmy

2-Piece Rear Main Chevy 350

1983-1984 GMC Jimmy

2-Piece Rear Main Chevy 350

1975-1978 GMC K15

2-Piece Rear Main Chevy 400

1975-1978 GMC K15 Suburban

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Pickup

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Suburban

2-Piece Rear Main Chevy 400

1979-1984 GMC K1500

2-Piece Rear Main Chevy 350

1979-1980 GMC K1500 Suburban

2-Piece Rear Main Chevy 400

1975-1978 GMC K25

2-Piece Rear Main Chevy 400

1975-1978 GMC K25 Suburban

2-Piece Rear Main Chevy 400

1968-1972 GMC K25/K2500 Pickup

Gen 1 L14 Small Block Chevy

1973-1974 GMC K25/K2500 Pickup

2-Piece Rear Main Chevy 400

1968-1972 GMC K25/K2500 Suburban

Gen 1 L14 Small Block Chevy

1973-1974 GMC K25/K2500 Suburban

2-Piece Rear Main Chevy 400

1979-1984 GMC K2500

2-Piece Rear Main Chevy 350

1979-1986 GMC K2500 Suburban

2-Piece Rear Main Chevy 400

1968-1972 GMC K35/K3500 Pickup

Gen 1 L14 Small Block Chevy

1973-1974 GMC K35/K3500 Pickup

2-Piece Rear Main Chevy 400

1973-1977 GMC Sprint

2-Piece Rear Main Chevy 400

1967 GMC Suburban

Gen 1 L14 Small Block Chevy