Surbo, e68, cyclone, broquet, monster, z-stab, magnets all under
the same category, Gimmick product. unless u got so much money to
contibute to these local inventors out to make a quick buck, then
go ahead.
Want to mod go for the real deal such as extractor, open pod,
muffler, cams, lighten pulley, throttle body, fuel injectors, fuel
pump, intake manifold,etc....in other words go for the mechanical
ones!!! 
