Doug's Headers D381 Full Length Header, 2-1/8 In, 63-82 Corvette, CC
- This item ships directly from the manufacturer. It may take an additional 2 business days for Dougs Headers to ship this item.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Doug's CORVETTE SIDEMOUNT HEADERS Metallic Ceramic CoatedHeader development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.
- 3/8" thick flanges with machined sealing beads...no leak performance
- CNC mandrel bent tubes... accurate fit & better flow
- Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
- Heavy 16 gauge tubing... longer life
- Header primaries, collectors and flanges are pre-polished to remove scratches and the header isfinished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees
Application1965 Chevrolet Corvette 6.5L/396 V8
1970-1974 Chevrolet Corvette 7.4L/454 V8
1966-1969 Chevrolet Corvette 7L/427 V8
- Doug's Headers D381 2 1/8" 4-Tube Full Length Header Chevrolet Corvette Big Block Chevrolet 63-82 Sidemount Metallic Ceramic Coating
- Ceramic Coated
- Big block frame stands and mounts must be used to insure proper engine location and header fit.
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Q & A
Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.