I used Kenwood KFC-X174 6.5", pretty sure my kick panels are the RetroSound ones. They are 3 5/16" depth, here are full specs:
https://www.kenwood.com/usa/car/exce...x174/spec.html
They clear the body.
After I went thru the install, I realized I could have used the shallow subs, and pre-made enclosures that were half the size/cubic ft., and just screwed/glued them to the underside of the MDF in the deck.
I carpeted the enclosures, and used PV amp corner protectors.
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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
http://forums.maxperformanceinc.com/...d.php?t=760624
1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
https://forums.maxperformanceinc.com...ght=procharger
Theme Song:
http://www.youtube.com/watch?v=7zKAS...ature=youtu.be