These guys just continue to come up with cool stuff, I want a pair of these flaps. Is this hand made by them, or something you guys have seen somewhere? What do you think there made of?
That looks to be sheet ABS plastic material (grain on one side) which has been vacu-formed (drawn down under vacuum w/heat, over a shaped jig) you can find the sheet material at a plastics supply house...Then make up a jig to form that offset flange and find someone who does vacu-forming in your area to draw it down for you...
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1969 Camaro/ Tom Nelson TT 434 / Wayne Due C5 / DSE QLink / and a bunch of other stuff...
WOW - vacuum forming plastics thats where I draw the line. I think I will just stick to welding. Just want to buy them, too bad there not available. Neat idea for some one in the parts biz.
It wouldn't be plastic either, ABS is too stiff for that application and heat could be an issue being close to the headers.
Its probably some sort of polypropylene.
Those were made in house at DSE by one of our very talented fab. guys.Not sure what material was used they were made when I was back home visiting family Joe.