you get to the larger physical size for film caps and they can act as antennas and pick up noise.if they will fit i would use film caps in all sizes up to 10 mfd to replace any e cap. you do that, and you wont need to replace that cap ever again
put a physically large film cap in a high gain stage and end up with noise/hum.
i personally do not use higher than 2.2uf films after personal experience.