Got some carpet from ACC carpets back in 2010.
I bought it from a Colt site member who wanted to sell it off.
This was shipped out from the ACC company in 2010, so odds are that you can still get it.
Perfect fit, you cut the holes for seats, etc, and yes it is molded.
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You can buy more and in the same color, to do up the rear section if your trunk is looking to be in poor shape, but it won't be like trunk liner material.
I got the regular backing, so extra foam option, just carpet with standard backside which is pretty thin.
Food for thought, unless you want to dye it.
I had water issues around the windshield and lived in a house that was mouldy (rental at the time), so wasn't going to keep it.
NINJA EDIT - Appears that searching at ACC comes up with nothing for a 91-92 Galant, nothing available. Sorry dude. The Colt still shows in black only, with a mass backing option in case you feel like switching cars. Heck they can't be too far off from one another, but nothing worse than trying to stretch a carpet to fill out at the sills. /ubbthreads/images/graemlins/grin.gif