Doug’s Headers D381-B – 2 1/8″ 4-Tube Full Length Header Chevrolet Corvette Big Block Chevrolet 63-82 Sidemount Hi-Temp Black Coating

Headers – SideMount – 2.125 in Primary – 4 in Collector – Gaskets / Hardware Included – Steel – Black Paint – Big Block Chevy – Chevy Corvette 1963-82 – Pair

Doug’s Sidemount Header 63-82 Corvette 396-454 BBC 2 1/8″ Primary 4″ Collector Black Hi Temp Coated D381-B

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.

• 3/8″ flanges ensure no leak performance
• 16-gauge steel construction for longer life
• Polished stainless steel 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

Collector Attachment: Slip fitCollector Diameter: 4.0Collector Port Diameter: 4.0Color: BlackCylinder Head Port Shape: RoundDesign: SidemountEGT Port: NoEmissionFullDES: 3 – This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use.Finish: Hi-Temp Black CoatingFlange Thickness: 0.375Gasket Or Seal Included: YesGaskets Included: YesGrade Type: PerformanceHeader Material: SteelHeader Style: SidemountMaterial: SteelMounting Hardware Included: YesOxygen Sensor Port: NoPort Shape: RoundPrimary Tube Outside Diameter: 2.125Primary Tubing Diameter: 2.125Sheen Level: MatteTube Wall Thickness: 16