Rubberized surrounds on sub drivers can break in extremely low temperatures (EX: 10 Deg. F) . If you ever want to go deaf, I installed my friends 88 olds with two US Amps 400's and four 12" cerwin vegas. When sitting in the car, on mid volume it will make your nose itch incredibly! No Kidding! Oh well,, he likes it. Hope his spleen dosn't rupture. Seriously!
Adam

__________________
Current Stable:
01 ML55 AMG
92 500E (a few mods)
87 300E (lots of mods)
00 Chevy 3500HD Diesel Box Truck
68 18' Donzi Marine
06 GT i-Drive7 1.0 Mountain Bike (with GPS!)

PREVIOUSLY OWNED:83 300SD, 87 420SEL, 88 420SEL, 90 420SEL, 86 560SEL, 86 190E 2.3-16V AMG, 94 E320