Nitro: 1/8 Savage X 4.6 GT-6HPI 160100 HPI Racing 1 8 SAVAGE X 4. 6 GT 6 GP RS RTR Nitro Monster Truck As any RC fan will know, the HPI Savage changed the game for RC, unleashing rugged Monster trucks that beg to be jumped and wheelied onto the scene. Over the years the power and strength have increased from the original Savage 21 back in 2002 and today we continue to bash harder and jump higher than ever before with the hotly anticipated Savage X 4. 6 GT 6 Whilst most other RC