I’m trying to locate the original window sticker (Monroney label) for my 1991 Porsche 944 S2. I'm not very familiar with this process. Could someone guide me on how to obtain it? I heard there’s a tool online called Porsche original window sticker by VIN that lets you lookup the factory window sticker based on your vehicle’s VIN, and there’s also this service over at
https://carfast.express/en/window_sticker/porsche that offers a Porsche window sticker lookup—has anyone used these or know how reliable they are?