well it sounds like a decent deal...you need to see if it has a salvage title or it has ever been in an accident,also check www.kbb.com you can find the blue book value of the car... as for mods theres so much out there its pretty much impossible to tell you b/c we dont kno your budget...but if ur on a budget theres always intake headers and exhuast which u will gain under 10hp from....but if you got the money to spend theres turbo kits out there that can really make your GO...its all a money thing, if you got money you can do it