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  1. 2

    what lower fits with stock upper

    I think there are a few. Would the Professional products lower fit?
  2. 2

    horsepower gain question

    My motor is all stock, excluding a 94 MAF and 1 5/8 unequal flowtech shorties. It runs pretty strong judging by my 100mph trap (with spin). How much power could be gained by swapping to a aftermarket lower intake and MAC 1 5/8s longtubes? I am just thinking this is only around $400 of...