Sweet ride! I really like your list of mods planned for the car. A meth kit is really going to wake the car up, add a bunch of octane and cool it down. I can't live without meth.
The V1 headunits are louder because they have strait cut gears, unlike the V2-V3 units that have helical cut gears. What BOV is on the car and how much boost are you running?
Congrats again! I look forward to your progress with it!