hey rc addicts does anyone know of anygood upgrades for the mt4 because u got one and ive had it for about 5 months and ive already bent the chassis and ive broken the rear, center and front diff somehow and ive broken a shock cap right of and ive broken a hinge pin.

okease help on why my diffs are breaking because i dont even drive it hard and i usually take it down to the bmx track and ive come up short on some jumps and then when i drove car again the car wouldnt even do a wheely so i was left confused and i first replaced the front diff then the center and it still did it, then i put in a new front diff and it reduced it but i can still here thay anoying fliping click when i accelerate. Please help!!!