I plan on installing an amp/sub this weekend..
#11
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like a yard or less to see it. I took pictures of it in the sun yesterday on a not so clean car...i had trouble finding the edge of the film to photograph. i will post them next week. I had it on my 00 A4 and it did a wonderful job. Also comes with a $1000 warranty against chips.
#15
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The Audi's tend to be VERY well insulated for noise that makes it difficult to move sound from the trunk to the cabin. If you are after a modest improvement then you might be ok with 8's but if you want serious sound improvement and music that will "move" you then go 10".
#16
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I had 1 10 inch infinity in my 00. It faced the back of the car. Good bass with the seats up...lower 1/3 of the seat and WOW...the car rumbled inside but you could hardly hear it outside...i got a deal on 1 - 12inch (it was used by my brother for a few months), otherwise I would have had a 10 again.
#19
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and could not tell! I think the batteries in my friends tester were failing....i am having bad luck with volt meters today!