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Doug's Headers 1963-82 Chevy Corvette Big Block 2 1/8" 4-Tube Full Length Sidemount Header D381

Doug's Headers 1963-82 Chevy Corvette Big Block 2 1/8" 4-Tube Full Length Sidemount Header D381
Doug's Headers 1963-82 Chevy Corvette Big Block 2 1/8" 4-Tube Full Length Sidemount Header D381Doug's Headers 1963-82 Chevy Corvette Big Block 2 1/8" 4-Tube Full Length Sidemount Header D381Doug's Headers 1963-82 Chevy Corvette Big Block 2 1/8" 4-Tube Full Length Sidemount Header D381Doug's Headers 1963-82 Chevy Corvette Big Block 2 1/8" 4-Tube Full Length Sidemount Header D381
from $2,017.76 st

Available Options

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Model: 5124746
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Doug's Corvette Sidemount Headers - the pinnacle of performance exhaust systems. Designed with the discerning Corvette enthusiast in mind, they are the perfect blend of innovation and craftsmanship.
Features:
  • 3/8" flanges ensure no leak performance
  • 16-gauge steel construction for longer life
  • Polished offers durability and a show quality finish
  • CNC mandrel bent tubes, ensuring better flow and exacting
  • Precision formed long transition collectors eliminate exhaust flow turbulence
About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Downloads:

Download Name File Size
D381.pdf341.8KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Chevrolet Corvette 1963 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1964 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1965 6.5L / 396 / V8 Legal for use on 65 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1966 7.0L / 427 / V8 Legal for use on 66-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-69 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1967 7.0L / 427 / V8 Legal for use on 66-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-69 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1968 7.0L / 427 / V8 Legal for use on 66-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-69 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1969 7.0L / 427 / V8 Legal for use on 66-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-69 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1970 7.4L / 454 / V8 Not Legal for use on 70-74 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1971 7.4L / 454 / V8 Not Legal for use on 70-74 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1972 7.4L / 454 / V8 Not Legal for use on 70-74 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1973 7.4L / 454 / V8 Not Legal for use on 70-74 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1974 7.4L / 454 / V8 Not Legal for use on 70-74 Corvette Emission Vehicles in 50 States
with Side Mount
With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1975 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1976 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1977 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1978 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1979 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1980 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1981 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount
Chevrolet Corvette 1982 With 396-502 Big Block Chevrolet Engine.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 68-82 Corvette Emission Vehicles in 50 States
with Side Mount

Specifications:

Collector Attachment Slip fit
Collector Diameter 4.0 IN
Collector Port Diameter 4.0 IN
Cylinder Head Port Shape Round
Design Sidemount
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Style Sidemount
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape Round
Primary Tube Outside Diameter 2.125 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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