Doug's Headers

D127-B

Doug's Headers (D127-B) 1-5/8 4-Tube Black Coating Full Length Exhaust Header for AMC Jeep/Chevrolet Small Block Engine

EAN: 0694342543778

UPC: 694342543778

Headers

3/8" thick flanges; no warping
CNC mandrel bent tubes; accurate fit and better flow
Precision formed long transition collectors and long tube design; reduces back pressure and increases higher RPM horsepower
Heavy 16 gauge tubing; longer life
Tubes are pre-polished to remove scratches and the header is finished with a Hi-Temperature Black Coating

Doug's 2/4 WD Truck Headers Long Tube Hi-Temperature, Black 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 price. 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.

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