[Skunkworks] Zuku Download Speeds same for both 8, 4 and 1 Mbps ...

Hello, I bought 8Mbps pipe recently, an upgrade from 1Mbps wimax, my friend upgraded to 1Mbps from 256Kb and another one upgraded to 4Mbps, when downloading stuff I get the same speeds like the other guys yet when I speedtest to Zuku I have the an 8Mb pipe .. does it mean from Zuku to the internet we all share the same pipe . shouldn't I get more since am paying more ?? Is Zuku stealing from me ? -- Watson Kambo