yeah I've welded stainless. I have a pretty large stockpile of stainless tubing at the house but none of it was 1.5" diameter. I've used it for exhaust work and it didn't go to bad. Obviously with all of this project being on the upside of the vehicle I plan on prepping a WHOLE LOT more as well as doing some practice welding on the stainless to get all of my settings right.

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00 Yukon SLT for hauling pit bulls
04 KTM 250sx