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    Injector upgrade. Driveable to tuner?

    Hi. Im in a bit of a situation here. Time to fit JECS 550cc injectors, but will the car be driveable to the tuner? Only changed new mod that will be done, at dyno a z32 maf will be fitted aswell. Car is today tuned with apexi pfc, 0.95bar stock injectors, r34gtr fuelpump, pod, full 3"...