How much of an affect does putting a z tube on my g make?
Get the Motordyne 5/16 Spacer ISO and don't worry about the pulley.
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Pulley doesnt add HP. Just makes the engine work less which I guess frees up some HP. What ive read though is its not worth it if your car is your DD.
Ztube is pretty much solely for sound. It makes the nice purr into a low growl. If you're going spacer.. might as well get the MREV2 with the spacer.. if you can shell out some $$. That will give you some power gains.







