I need opinions and answers!!

[yellow400ex05]

My birthday is coming up in August and I want to get a couple of modifications for my quad what two modifications should I ask for.
Dont worry I'm not a spoiled brat! I have to work off all the money my parents buy for my quad or I dont get money.

[Quiksilver01]

nerfs and a pipe.

[300ex mxracer]

tires and pipe

[dirt-king]

The pipe is a must.....but for the other one make it nerfs or get it bored...jmo