Doug's Headers D380 1 7/8" 4-Tube Full Length Header Chevrolet Corvette Small Block Chevrolet 63-82 Sidemount Metallic Ceramic Coating

Doug's Headers D380 1 7/8" 4-Tube Full Length Header Chevrolet Corvette Small Block Chevrolet 63-82 Sidemount Metallic Ceramic Coating

• 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 is finished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

Doug's CORVETTE SIDEMOUNT HEADERS Metallic Ceramic Coated Header 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.

Related Products:D380+D930