[DeTomaso] Seat refurbishing question please!!

[Panteratime]

Folks,My stock 1972 seats are due for a refresh.  The foam is deteriorating and the driver seat has a rip along the seam.   I have a few questions and appreciate your guidance.   
1-I prefer to keep the stock look  (unless you tell me there are enhancement options worth looking into) 2-What the best way to refurb our seats?  3-Anyone have a vendor that sells quality replacement covers and foam or do I need to go to local auto interior place and start from scratch?   4-Whats the refurb process and can I do it myself?   
Thanks!!     
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   Folks,
   My stock 1972 seats are due for a refresh.  The foam is deteriorating
   and the driver seat has a rip along the seam.   I have a few questions
   and appreciate your guidance.

   1-I prefer to keep the stock look  (unless you tell me there are
   enhancement options worth looking into)
   2-What the best way to refurb our seats?
   3-Anyone have a vendor that sells quality replacement covers and foam
   or do I need to go to local auto interior place and start from
   scratch?
   4-Whats the refurb process and can I do it myself?
   Thanks!!