Hey Mike, I don't think air cleaners are very high on nhra's radar, but if they were to look, a highly modified base or lid might catch their eye.............

AIR CLEANERS
Optional. If used, air cleaner must be OEM automotive or retain
OEM configuration. Air-cleaner base may be cut or trimmed,
but welding, bolting, riveting, epoxying, or any other form of
fabrication is prohibited. Ram tubes, velocity stacks, or non-stocktype
base plates or ducting prohibited. Cooling holes prohibited in
radiator side panels, etc. Factory air cleaners and/or scoops that
fit through hood must be affixed to carburetor as per OEM only