What mods do you have now? Just curious because there are a few other cheap mods that may be more benificial. However...pulleys do help. They seem to be worth about .1 and 1 mph at the track. Others have claimed more but thats about my best guess from what I have seen.
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if it's cheap & reliable, it ain't fast, if it's fast & cheap, it ain't reliable, if it's fast & reliable, it ain't cheap
