I am sorry, BBK dose not have the CFM ratings on these listed. When adding these to a completely stock Cobra, I would go with the 62mm If you plan on doing more substantial upgrades in the future, I would go with the 65mm or a single blade. These options will add even more airflow to the engine.
Answered by jay w. from waco | 1 0
Ford Mustang - 1996 (96) - 1997 (97) - 1998 (98) - 1999 (99) - 2000 (00) - 2001 (01)