I have aftermarket rails on mine with a gen2 whipple. a was able to remove the rails by horseshoeing them around the back of the super charger and taking the line off the passenger side and then pull the driver side rail with the line attached. not fun but beats removing the super charger and...
I honestly think you made the better choice. I had no issues with the bap but I had a fuel issue and to me it made diagnosing it a little more difficult. It ended up being a weak pump.
Bap’s in our cars are usually run wide open into the fpdm’s. The fpdm’s adjust how much voltage goes to the pumps. They will require tuning. I have run the kB 20.5 volt with no issues 25k+ miles. Currently running aeromotive stealth 340’s without a bap. The hat will require cutting and a little...