I have a 3" downpipe with internal wastegate for sale probably an old Bowling Green Customs item from back in the day. Picture available from a for sale section post I placed a few weeks back that is now back on page 20-25. Asking $300 plus shipping costs.
I have one with holes drilled the pipe for alky $700 plus shipping. figsx@wi.rr.com If you dont want it I will be posting it this week in the for sale section.