When I did my exhaust the first time after the SAS (from the collector back), it was around 1/4" from a heat shield bolt/stud. When I got bound up, I could feel it barely touching/vibrating against the tip of the bolt/stud. I ended up redoing the exhaust for the doubler and made sure to stay at least 1/2"-3/4" away from frame/body.
I imagine the exhaust coming off the collector moves around the same amount as a transfer case. As such, I'd leave at least 1/2", maybe 3/4" clearance just to be safe. Don't want to have to do the work twice! Since I shaved the 'foot' off my 205, it's inches away from the body - so the exhaust is still the closest thing.
2001 Z71 Silverado, Ext. Cab, 5.3L V8 -
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Shortened 17" w/Bed, AAM 14B FF / Grizzly, Dana 60 HP / Chromos, Anti-Wrap Bar
4L80e, EcoBox/205 Doubler, 40" Mickey's, Rock Sliders, Hidden Winch, Hydro Assist
Last edited by DMANbluesfreak; 11-12-2019 at 10:08 AM.