RedGTiVR6

Reasons for not installing anything underneath the seats.

• There is no place to properly ground anything underneath the seat. Most people would try and use the seat bracket bolts. These are not good grounding points for a few reasons.
  - Usually these bolts are covered in grease, grit, or grime, thus making the ground a bad ground.
  - These same bolts are usually covered in paint, as is the threaded part that the bolt goes into.
  - Those mounting points usually have carpet underneath them, meaning that the ground is not solid.
  
• That dirt, grit, and grime got there somehow. That same dirt, grit, and grime will get in whatever piece of electronic equipment you put underneath the seat.
  
• Cokes, fries, onions, chili cheese dogs, cheetos, twizlers, etc. all end up under the seats. Do you really want that right next to your expensive electronic equipment?
  
• If passengers can see it, they will mess with it. I know that we all like to think we can trust our friends. The fact of the matter is that people are curious. If they see a bunch of wires sticking out they will play with them. Not only will you risk having your passengers pulling things apart, you also risk them shocking themselves. Though you might think “Good, they deserve it then”, you can still be held liable. Sucks, but that’s the truth.
  
• Even if you ask people to watch their feet, it’s like a magnet. Their feet will find their way under the seat. In doing, so they will break wires, break solders on boards, and introduce all kinds of foreign objects from their shoes that you don’t want around electronics.
  
• The seat moves, you can try all you can think of, but it moves. There are things beneath the seat that will catch wires and pull them out. Moving pieces are never a good thing to mount next to or around unless you have the proper materials, and 9 times out of 10, you won't.
  
• Do you really hate your equipment that much that you want to fart on it?! I'd sure hope not!

This is a general standard that many of the car audio shops follow. These are the reasons for that.

It's not a suggested practice.

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