These links might help you. They're about exhaust jacks.

http://www.bushranger.com.au/exhaust...p#.UQdznL9mhoE

http://www.arb.com.au/products/arb-r...uipment/jacks/

http://www.google.com.au/#q=exhaust+...w=1517&bih=714

I’ve got no affiliation with any of these people, just another caring and sharing troll owner trying to help.

Rossco