Your injectors should be fine, and unless you plan on running more than 10-12lbs of boost, an FMU setup is fine. If you want to boost more than that, it's time to think about better means of engine management and replacing some of the weaker stock components like pistons and rods. I personally would not run an FMU setup if you plan on boosting more than 10lbs, and I would not boost more than 10lbs MAX on stock D series internals, which means a max of 7-8lbs daily, and 10lbs at the track with race gas. There are plenty of good inline pumps available. Bosch comes to mind. Also, when people with DRAG kits and the like decide to upgrade their fuel system for more boost, they usually ditch the Airtex inline pump that comes with the kit and oyu can pick those up relatively cheaply. When I was running an FMU, I was running a no-name inline pump(I was told it was a Bosch, but it was unmarked) and it worked fine. If you run an inline pump, try not to mount it on the firewall or else you'll be hearing it at idle and it's kinda loud.