If you dont have the supporting mods you will be wasting your money on a 20g. Although its a bad ass turbo it pretty $$$$ to get the suppoting mods.
fmic ( I think a supra smic would work however ) 660's Ported exhaust mani Ported o2 Walboro 255 ( A 195 might work as well but dont quote me on that) Downpipe ,exhaust and bov are all needed as well.
