Can you explain??

[Bmxboy2200]

Help to modify my ISF RM no clue on how to tune?
Cus I feel dumb about askin like this.

 

[Silent7Sniper7]

Go on forums - look for tuning forum - at the bottom it will say search - just search what you want & you'll get loads of tunes

Welcome to GTPlanet btw

 

[GTP_Gearhead]

Welcome! No need to feel dumb, what Sniper said.