First of all dont throw away anything from the seats until your finished with them. ( SO you know how thick your padding needs to be, design of seat somewhat, etc.) Wow, I am assuming you have done some upholstery and sewing before ? If not get a good book on auto upholstery.(theres a bunch on ebay) I have been doing upholstery for 30 years. Feel free to ask my email is [email protected]