I talked with my friend with the stealth boxes. He is swamped with custom work, but wants to take a mold of the car. He definitely recommends only one sub in such a small cockpit, and because two separate boxes tend to cancel each other. I plan on loaning him the car for a week to see what he can create. The box he made for my truck has no MDF or wood, the trim ring is a molded plastic, so it's very lightweight. I don't know when I can get it to him since I recently ordered a new Bosch IC pump and DCAI from NS and plan on having Eurocharged install them when they put on a pulley system and ECU tuning. I will post updates on the enclosure when I finally get it to him.