Really you can swap any seats if they fit (4runner is narrow if you haven't noticed) but you'll have to get creative with using the stock seat bracket.
Corbeau makes brackets that are specific to the 4runner and you can use any of their seats.
Someone makes baseplates that will bolt up to certain aftermarket seats but you re use your seat bracket feet. txbonds 97 went this route and used corbeau sport seats
I suggest you do some more searching to see what you want....
