Hollowed out the stock exhaust from the turbo back about a month or so ago, and a little over a week ago, thats when the seals went out on the turbos after he was on the highway doing about 75mph or so on the passenger side... So.. Please enlighten me as to why the free flowing exhaust can cause that..?? If so... how does one compensate for a free flowing exhaust if they want one on there.. I would never have thought of a exhaust upgrade causing such a MAJOR issue..