I thought you were already aware the pickups had been replaced. If you are going to replace them again you may as well have the hum cancelling circuit upgrade done, too, unless it has already been done. In some cases as part of the upgrade they replace the pickups with new ones that are more closely matched, naturally you could order those with or without a logo and in your color of choice. If you know the electronics weren't previously upgraded I would spend some time playing the bass in different environments before considering the upgrade, if it isn't noisy in most environments it may not be worth spending money on, and beyond the cost of shipping, you will lose access to the bass while in the shop.