John M.
Yes they do work. I run a Flex-lite fan(Plastic) That has a 1/4 Of it cut off and It still Out draws The Stock Fan By a Long shot. And I have been running this same fan for Over 20 yrs. I can take a shop Rag Folded in half and The Air Draw Will Keep it Pined to the Grill. I have ran The Metal flex Fan (Good?????? to 8000 rpms) and Broke/Cracked two After that i went to the Flex-lite fan and Never Looked.
God doesn't like ugly.
