Doug's Headers

D369R

Doug's Headers D369-R 1-3/4 4-Tube Full Length Exhaust Header for Small Block Chevrolet 64-75

EAN: 0694342509255

UPC: 694342509255

Headers

Thick flanges (3/8 inch to 5/8 inch) with no warping
CNC mandrel bent tubes for an accurate fit and a better flow
Precision formed long transition collectors that reduces backpressure
Heavy gauge tubing (16 and 14G) for longer life
Header tubes are pre-polished for a better appearance

Header development and design is complex and requires a substantial amount of time and resources to do the job right! 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.

2 x Mercedes-Benz Camshaft Position Sensor O-Ring C230 C240 C280 C300 C32 AMG C320 C350 C43 AMG C55 AMG CL500 CL550 CL600 CL65 AMG CLK320 CLK350 CLK430 CLK500 CLK55 AMG CLK550 CLS500 CLS55 AMG CLS550
BMW
Mix me 3670