Yes!! I know that this is an old thread, but since no one had posted photos of a home welded up exhaust, wanted to show one for 'posterity' and the next guy who looks.
2.250 tubing - a 10/12 foot length
U and J bends from Summit
SS clamps and hangers
~$225 for all the above
Then MIGed together
The only 'pro' done pieces were the clamped pipe seen at the H pipe and that was to 'blow out' the pipe size for slip fit for ease of disassembly if ever needed. That cost me the price of a coffee and donut break for the three guys in the Midas shop.