I am running the black magic, and have had no problems so far. A noticable power increase and can also maintain a steady temp. If you put your hand in front of it, you can feel that it has good CFM. The price is a little steep, but I feel its worth it with how easy the installation is.
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89 black GT, 5 spd
flex-a-lite electric fan
flowmaster cat-back + h-pipe
MSD Blaster coil
FMS 9mm wires
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