Help on easy at home customizations

[SuperSupraRacer]

Alright im not a complete noob but what are some things i can do to enhance performance ect. without buying stuff. Like remove certain items or somthin i dunno but like easy stuff like that i have stage 2 motor and upgrade springs on my supra stage two teeth: 10 rpm= 30k. please help! :) :roll_eye:

[StiXxX]

remove front cover plate
put heat shrink tupe on entire antenna
shave steering knuckels
cut the little tabs under steering knuckles

[SuperSupraRacer]

OKAY I ADMIT ME NOOOOB explain how to do that pleassse all i understood was unscrew front cover plate hahahah :-?