I spoke to an installer and this is what he said the fronts are 8" speaker mid bass, mounting depth should not reach 3.5 to be safe under 4 inches, the back by the door is 6.5 and should have no problem finding that Crutchfield is actualy very expensive for these 8", for the 6 1/2 im looking at this
Polk Audio db651 $74 PAIR
http://www.sonicelectronix.com/item_9111_Polk-Audio-db651.html
for the 8"
Pioneer TS-SW841D $70 ship 14.39
mounting depth: 2-9/16"
http://www.techronics.com/caraudio_...-4-ohm-Shallow-mount-Subwoofer-TSSW841D-.html
Cadence XM84HC 8" 250-Watt Open Basket Midrange Speaker $33.95 ship 14.39
Mounting Depth: 2.60
http://www.techronics.com/caraudio_...ch-250-Watt-Open-Basket-Midrange-Speaker.html
VMINNOVATIONS
MB Quart Onyx RLP204 8-Inch 800W Shallow Subwoofer (Pair) 128.95
Mounting Depth: 3"
Kicker 10CVT82 8-Inch 800W Shallow Subwoofers (Pair) $128.95
Mounting depth 3-3/8"
I'm planning to use a Rockford PBR300x4, i got a birthsheet of 94watts per channel
http://www.vminnovations.com/Produc...-Amplifier-for-Compact-Subwoofer-Systems.html
let me know if anybody replaced the speakers