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6al mustang msd 2 step

  1. 2.3L Tech
    I got a paxton supercharper 6al ignition/boost control box. i got it from a guy who had it on his 88 TC. I also got a msd 2 step box and a rev limiter box, also on the 6al box i got a vacuum port on whats that go to?? also on my 2 step box there is a red wire comen out of it donw i run that to...