Why lake headers from Gear Drive? 1 - 18g megaphones 2 - 95% of our headers use 3/8" flanges.... 3 - 16g U bends 4 - Fully TIG welded -  We don't own a MIG welder! 5 - Flanges surfaced within .030" flat,  to this day I have never had a customer call and tell me that my finished headers leak! 6- Custom built for your car, if you have a 350 chevy in a 29 ford that is a different header than a 32 ford, we build per engine & body. The big boys that have there own lake headers only offer 1 header to fit every car we take a different approach.   7- Choice - I have header flanges for early engines, if you do not see what you are looking for please contact me. 8- Customer service, all I have is my reputation, without a great reputation I have nothing!