Doug’s Headers is the newest addition to the PerTronix exhaust division, which began with the acquisition of Ermie Immerso Enterprises in August 2000. Doug’s Headers is the perfect compliment to our existing line of exhaust products including a complete line of headers, mufflers, exhaust systems and components for the Street Rod, Muscle Car and air cooled Volkswagen markets under the Patriot, Thunderbird and Smithy’s brand names. Doug's Headers on old carDoug’s Headers, the most respected name in the header industry since the 60’s, began in 1958 as a small muffler shop in East Los Angeles, California. The company expanded rapidly into a shop that designed and built innovative headers for muscle cars and many of the sport’s top drag racers. Cars with the famous “Headers by Doug” decal were consistently among the top performers in their various classes. Doug's headers are ideal for muscle cars, street rods and race cars, as well as trucks, SUVs and motorhomes. With more than 47 years of experience, Doug's Headers is a name you can trust for superior quality and fit. Recently elected to five different drag racing halls of fame, Doug is truly one of the pioneers in the manufacturing of high performance exhaust systems!