high flow converter

  1. lowlifelegend
    Thread

    Will These Mods Increase the Horsepower of My 1987 4 Cylinder?

    Going up a size in spark plug? Getting a "high flow" converter or a turbo muffler (or both) ? Getting MSD Coil Packs? Getting a high flow air...
    Thread by: lowlifelegend, Jul 24, 2016, 6 replies, in forum: Engine/Drivetrain
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