it would be interesting to see a side by side comparison of a standard heat sink vs that system.
That system is more compact than ones ive seen in the past. I don't care for the anodized color, but it would add some cool factor....especially to a drift car!
I don't think the weight would really hurt....just not sure if it would cool better than a $5 heat sink.
as syco mentioned, dropping a few teeth on your pinion gear is a sure fire way to reduce heat on your motor. cheaper to