Hello! Here is the GTA IV Sounds Pack version 2.1! See Video at: http://www.youtube.com/watch?v=kDJ9djAXPOo
Sounds included:

Vehicle Sounds:
- Annhilator
- Cabby
- Chavos
- Esperanto
- Faggio
- Feltzer
- Infernus
- Maverick
- NRG-900
- Packer
- Patriot
- Rusty Emperor
- Sanchez
- Stallion
- Stratum
- Sultan RS
- Super GT
- Taxi
- Turismo
- ZombieB
And one Extra:
- Weapon Sounds

NOTE: If you install any sound of this Mod, MAYBE your horns will be bugged. I don't know how to fix it.
NOTE2: Write comments :)
NOTE3: Have Fun!!!