I have one & I think it's a nice truck even for the track. There's a thread or 2 somewhere on rctech where people have successful tuned the truck for racing. The flux system is pretty powerful.
HN X2 CR OS Speed WC Ti, HN X1 CR Polyquest 5S Neu 1512 2000kv MMM
HN X2 Neu 1515 2000KV Polyquest 5S 6000mah MMM, HN X2 OS Speed WC
Hyper 9e Medusa 2000KV 4S 6000mah MMM, Hyper mini STe Medusa 3300KV 3S 2500mah MM
Savage FLM ext. 5S MMM 8XL, E REVO Medusa 1600KV 6S MMM
Thunder Tiger ST Neu 1515 2000KV Lutach esc 5S 4800mah