OK BAP is a cheap work around that all its doing is raising the voltage to the stock pump from 13 to 17 volts making the pump work harder.
It requires larger wires from the front of car back to the pump to handle the added current load it you instead used the stock wires over time they will melt due to that higher load current.
Sooner of later the pump made to work at the higher voltage will crap out.
Best case is replacing intank pump with a larger flowing one.