My buddy closed his shop last month before we could do my sons exhaust on his lift. (I am spoiled and don’t care much for doing big projects on the ground with Jack stands anymore.)
I am now getting quotes on a complete exhaust for my sons 67 Ford Galaxie project. (To buy a stock one from a speciality company is $950 for steel, do to the fact my son wanted shorty headers, we would have to customize those to fit.) So for us no savings over doing a custom steel exhaust. Plus get a h one x pipe in the deal. (Connection of left and right exhaust pipes.)
Shop to shop prices vary so if you go with a muffler shop get a couple quotes, you may save a few bucks. The folks with a hydraulic pipe bender tend to charge less (Faster than cutting and welding.) but add some restrictions in the exhaust at 45-90* bends. Most have a 3” but if going 4” exhaust ask them if they have the dyes for the bender.
Those who weld parts and pieces together charge more. (Takes longer to cut and weld pieces together.) But use non-restrictive mandrel bends for the 45-99* bends. So a little more HP in theory.
We are going 309 stainless with mandrel bends which is overkill and costly. But I figure it will look great for my son for some time and more importantly one and done works for me.
Let us know what you end up deciding on.