I didn't see any sleeves on your headers, how do you avoid using them? Or are they just hidden around bends? How common is that practice?
Whit
Quote:
Originally Posted by Jamie @ Doug Thorley
I believe the sleeve you see is for alignment and allows the welder to have a free hand while welding the two tubes together. The sleeve itself is made of the same steel used to make welding rod. IMHO, it does cause an obstruction
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