Ummmmmm... not always true but in this situation yes! never if you aren't fully aware of the problemWRONG. Never increase a fuse size because you are blowing them.
The fuses are in the amp to protect it's circuitry. If you are drawing enough current through the amp's circuit to pop a fuse, then you are over driving that amp. Whether from running it at a lower than recommended impedance, or a "modded" amp, the fuse size was still chosen to protect the board in certain points.Ummmmmm... not always true but in this situation yes! never if you aren't fully aware of the problemSome amps you can run under ohm or have modded and the stock fusing isn't enough. but for this situation would be a good way to burn your car to the ground