Has anybody found another models seats that will bolt into a CD/CE?

I'm tired of hitting bumps and my head bumping the ceiling. I REALLY need to lower my seats about 2-3 inches. I like to sit low in my cars as I'm over 6'.

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-James

'85 280GE...sold
'96 Impala SS ~ 6-speed 396
'14 Cadillac Vagon. . . . . . . . . . "Life without knowledge is death in disguise." - Hans-Peter Geerdes