lennon_87
ur questions..why asyik touch on warranty 1 ar?u feel like modding, go ahead.if u still think about warranty, then dun mod till its over.

1. new alarm system (wont void, as ur stock alarm will still be in the car, no wiring is done)
2. tweeter or component speaker (audio, except the HU got warranty?)
3. led lights inside car (wow..lights wont kill ur car eh..)
4. car horn (horn wont la..what makes u think so..)