rsxss

hey can anyone tell me what the best hopups for speed and over all performace for my hpi rs4 3 that will give me maximum performance for not to much money please reply as soon as possible
thanks
austin

raceme

TWO SPEED... change gears. thats the most other than change engine and pipe.. thats about the only hop ups that change the speeds.

rsxss

already have the 2 speed and the .12 ss engine but wouldnt lighter stuff have better performance