HPI Racing RTR 1/8 Savage XL 5.9 with 2.4GHz and Gigante Truck Body To get the long wheelbase of the Savage XL, the HPI designers developed all-new extended TVP (Twin Vertical Plate) chassis made from 3mm thick 6061 aluminum The Savage XL features the Savage 3-speed transmission to get the most out of the huge torque from the K5.9 engine Machined steel diff rings and #102692 Machined Bulletproof Diff Bevel gears are built to take the power of 5.9cc of nitro-burning mayhem To make sure the servos have all the power they need and then some, we're throwing in an HPI 6 volt 1200mAh NiMH battery pack With a curved rear-exhaust manifold directing exhaust gases to the polished aluminum 2-chamber tuned pipe, the specialized K5.9 exhaust system produces loads of horsepower that just demands to be used