Are you kidding me, of course you can!!!!I think Ebay have a couple of Titans replica or the real mccoy for sale; or you can get the new s60"r" rims which to me(and most people) is the Titan but in a brighter finish. As for the chin-spoiler, a few overseas outfits make similiar ones but it may be pricey and if you find one on an orig. T5R it may be damaged since they are prone to! The hardest part may be the 2-tone seats, other wise look hard enough and you will find all the necessary items to get a look-alike. Good luck!
P.S- you have the right color to start off, so you're on the right track!!

If I were in your place I would check with the local salvage yards. If not that then check out collision repair centers, etc., any place that purchases replacement body panels often, and ask their advice on obtaining the bumper, spoiler, etc. As for the wheels, you may want to check wheelcollsion.com. As far as making a replica, whatever works for you but I wouldn't really want to make my car into a replica b/c then I'd get embarrassed whenever any Volvo enthusiast takes a look at my car and discovers it's not the real thing.....But hey, I'm just a picky person. Would look nice on the street however...