General questions

[Abdahmad]

hello guys
Very new here and very new to Fords xr6,I just picked one a few days ago and I am really in love with the beast, just some general questions if anyone can answer me.
1)the previous owner said he had ported and polished the heads,how do i know did it?
2) the car has jmm headers and a catback exhaust and ported and polished heads, how much power would that be ,he reckoned it was around 350hp
3)the centre console was of like the new Fairmonts but the owner said its stock
4)the seats are half leather and half fabric and even the back seats has the xr badge is that stock seats?
Thanks to anyone that will answer me.
Thanks