try out a low turn trinity engine if ur esc can take it.
The E maxx is too much truck for a low turn motor. And Trinity motors really aren't that great anyway.
You could try a set of Checkpoint Money motors, but the KD setups cost less and will give you better power and less headache in the long run. A single KD 700 HO motor has more power than the two stock titans combined. Duals will get you close to 40mph.