i put my custom 3" mandrel ss downpipe up on ebay. starting bid is $50....so bid away...highest bidder wins obviously! http://cgi.ebay.com/ebaymotors/ws/eB...tem=8039851764

 

That's not a down pipe. That's an O2 pipe. And you should also point out it is going to require the buyer will need to have their own wastegate.

The downpipe is the pipe that runs from the stock O2 pipe to the catalytic converter.