Galaxy S4 Volume Mod
This will make your rooted Galaxy S4 volume level much high or slightly high user preference.
Step 1. Download the file and extract it.
Step 2. Pick which you want there 3 zip files, Loud, Slightly and Normal.
Step 3. Put it on your sdcard or on phone and boot your device in recovery with clockwork or any other recovery.
Step 4. Install and enjoy.
I tested 100x times Work Good.
Only been tested in stock rom.
Let me know how it's working for you.
Credit goes to : sbreen94
for these files (snd_soc_msm_2x_Fusion3_auxpcm and snd_soc_msm_2x_Fusion3)
All I did was extracted those files from hyperdrive rom and make a updater-script to install it on recovery.