check here for a good price on a BORLA 'cat-back" system:
https://secure.performancecenter.com/products/?searchtype=56d&sortorder=AA&urlsubcategory=Exhaust&productcategory=Cat-Back+Systems%2F+Rear+Sections&sf1=TOYOTA&sf2=1996&sf3=LANDCRUISER&sf4=6CYL
after you get there click on the buy it...