exhaust leaks on 2006 Nissan Titan

why does it leak i heard its a 700 dollar fix for new per side

Asked by for the 2006 Nissan Titan
It depends what is leaking I have seen leaks from the early Pathfinders they had exhaust manifold leaks, the later Pathfinders had leaks from the seams of the catalytic converter that I have removed and welded, go to your local exhaust shop and see what they say.