Door Sound Proof RM80 / door

i did mine together with reverse camera installation around RM500

i just went to their shop yesterday. was thinking of installing sound proof for the doors. RM900 for all 4 doors. but will have to leave the car there for 3 hours so in the end didnt install

Hi all.
My blue v-spec will coming at the end of august, and im planning to install all these:

http://www.mudah.my/Honda+city+2014+modulo...pu-28056353.htm

http://www.mudah.my/Honda+city+2014+mugen+...or-27863235.htm

http://www.mudah.my/Honda+city+2014+OBD-27882362.htm

http://www.mudah.my/Honda+city+2014+boot+tray-28052092.htm

http://www.mudah.my/Honda+city+2014+side+m...ay-27658900.htm

http://www.mudah.my/HONDA+CITY+2014+Origin...ND-28043095.htm
Honda city 2014 modulo bodykit with paint ori ppu rm779
Honda city 2014 mugen door visor rm80
Honda city 2014 boot tray rm120
Honda city 2014 OBD rm100
Honda city 2014 side mirror auto fold relay rm120
HONDA CITY 2014 Stainless Steel Side Sill STep LED rm198
Honda city 2014 oem camera infarad plug n play rm380
HONDA CITY 2014 Original Locktech THAILAND rm240

total = RM 2017
My questions are:

1) Will installing the electronic parts will void the warranty?
2) Is it okay to install the electronic parts? Wont make the car haywire, short circuit or something?
3) I cant find at mudah or lelong selling the Foot Light..do u know where can i get it in kl?
4) Does the 7" Display Audio comes with built in gps, we just need to update the firmware?
5) If u have any advice on the items I want to install, please do.
Thanks

Summary 0-100km/h time:
Econ mode: 13.89s
D mode: 14.44s (off econ)
S mode: 12.50s

Way off the claimed 10s? Need RON97?