Follow CFM Performance's main facebook page for information on all things CFM:
Follow CFM Performance's specific model pages:
Mustang V6 on
Mustang GT on
"Much Beefier Flex Pipe"
Dean Shaw on 11/18/2017 8:00:42 PM
Comments: The difference in size the stock flex pipe and this one was considerable. I believe it helped increase power when combined with the FSWerks header.