Headers vs. Exhaust Manifolds ~ 'Let The Debate Begin'
Dougs and Doug Thorley are different, no?
Give That Man A 'Cigar'.
Doug's Headers {Headers by Doug}
Started out in 1958 in East Los Angeles as a small 'Muffler Shop',
and eventually moved to San Dimas, California.
Doug's Headers was purchased by the Petronix Performance Corporation
in January 2005, and the Exhaust Fabrication Facility is now located
in Irwindale, California.
Doug Thorley Headers
Also started out in 1958, but in Corona, California.
Famous for 'inventing' and developing the 'Tri-Y' Header