Xtreme Poison v3 Rom for Galaxy Y developed by a XDA Developer Kaustubh.rockstar and special thanks to Yash989 and Percy215 for their support. So first Thanks them.

Xtreme Poison v3 Rom for Galaxy Y developed by a XDA Developer Kaustubh.rockstar and special thanks to Yash989 and Percy215 for their support. So first Thanks them.

Features:-Very smooth and lightening fast-all bugs fixed from v2-revamped new ui-all new bootanimation with awesome graphics-DSP manager-6 lockscreens [credits to the dev]-added new extended power menu-blue themed ui-themed stock launcher and added launcher pro [free version]-removed all bloatwares-HD call screen derived from Assassins creed-SONY CYBERSHOT camera ENHANCEMENTS- Clearer pictures like never before-all new settings-kuro kernel- fast and rock strong-new dialer and contacts like that from cm7-back and menu key vibration-ICS like message by Yash989[ big thanks to him]-breath-taking status bar with 14 toggles.

Screenshots:

 

Installation Process:  

1.Copy the two .zip files to your SD card's root.
2. Turn off your phone and boot to Recovery Mod by pressing these buttons: volume up+home+power button. In Recovery you can't use the screen ,only the buttons.
Volume up: up
Volume down: down
Home: Enter
Power: Back
3. In Recovery choose apply update from sd card, then select CWM
4. When you are in clockworkmod wipe data and cache.(Important!)
5. After data wipe move to install zip from sd, then choose zip from sd and navigate to Xtreme Fusion v3.zip
6. Wait until the installation ends.
7. The first boot can take a long time. (4-5 mins.)
8. Enjoy!!!

Download Links

CWM

Xtreme Poison v3 Rom 

Warning:I'm not responsible for any damage in your phone, so do it at your own risk.