While I may be wrong on this,
While I may be wrong on this, I'm not sure what magic this unit is performing. The K-jet can deliver enough gas, it's the flow restriction that chokes the hp. Perhaps it may add more ignition advance.
When I lived in Germany, the Lenz Katronic K-jetronic injection mods were initially aimed at and advertised for tightening EU emissions regulations, as many of the older cars stood to be taken off the road. In Germany, the whole thing included dual new technology cats as well.
While I do think it will make the K-jet more efficient and responsive, I can't see it adding a whopping load of hp keeping the Kjet flow restrictions - at least not more than a good ignition upgrade would do (The Lenz uses a common ECU for both)
I may be wrong, though - so am ready to learn.
best
rt