Most probably seen these. Wanted to get them into the right thread to maybe help some one else in this area. I know that the previous posts and many pictures on the subject of stacks help me a lot.
Here are some shots of the 147R custom stack I built. Questions/Comments always welcome. I made some improvements based on what folks recommended.
The first shot is the components I used. SST 2 inch tubing, some stainless fitting, and some fab work. Second shot is first attempt when it was a tad to close to the hood. Remaining shots are from revised stack design. Which means trying to make something out of the parts you already have

I followed the guidlines of a added support plate off the top of the head studs. I like this it seems very stiff and secure.
This stack is loud and may have to have a baffle put in for any type of normal use

Regards,
Chris
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Casbohm Maple and Honey
www.mapleandhoney.com
Cubs: 147
R and the "train", 127 elec lift, 127, 125, 106, 102, 100, 86, 73, Brinly plow, Snow thrower, 2 Rototillers, several mower decks and several snow plows, #1 cart, Grandkids barrel cart.