Where to get pre bent exhaust pipes and any suggestions on how to swage them to fit over mufflers?

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Kern Dog said:
Thanks. The MIG is what I have to work with.
Click to expand...
Kern, are you planning to do a continuous spot weld technique with a bit higher heat setting to weld up your but joints?

I may try these or make my own version of them. This with my chop saw for straight cuts looks like it should work. Spot weld them in place and then remove to fully weld.

3 Tack Welding Clamp Pipe Exhaust Set Range 1.5" to 3.0" Auto Motorcycle Truck | eBay

Universal Pipe or Exhaust Tack Clamp Set. Then tighten three side thumb nuts to clamp and align seam. Your clamp gives the earth good to both halves, which prevents that problem. I am an engineer working on AH-1W helicopter.
www.ebay.com


Here's a large selection of welding fixtures on Esty.

Welding Jigs - Etsy

Check out our welding jigs selection for the very best in unique or custom, handmade pieces from our tools shops.
www.etsy.com

Some exhaust tubing at reasonable prices here, but it's high quality stainless. We can get away with mild steel here in California from Summit. don't forget to drill weep holes at the bottom of the pipes in a few places to drain condensation.

Adding an ovalized cone instead of a factory style exhaust tip really improves the exhaust note, much like the flared ends of musical instruments. It somehow sweetens the sound to the human ear. Those ancients knew a thing or two.

Exhaust Components - SPD Home Page B

SPD offers a complete line of exhaust components for Exhaust Fabricators ranging from Mandrel Bent Tubing, Mandrel Bends, CNC Header Flanges, Merge Collectors, Collector Flanges, Stainless Bellows, V-Band Clamps and Sealing Flanges, and Formed Collectors & Accessories.
www.spdexhaust.com

Summit has these for a reasonable price. I'm grabbing 2.

Summit Racing SUM-693325 Summit Racing™ Exhaust Welding Clamps | Summit Racing

Free Shipping - Summit Racing™ Exhaust Welding Clamps with qualifying orders of $109. Shop Exhaust Welding Clamps at Summit Racing.
www.summitracing.com
 
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I second, taking them to a local muffler shop to get the ends expanded to the right size. Take everything so you know the parts will fit back at home.
You can take the car back to the muffler shop to have them MIG weld the system together.
 
Hey Kerndog, That simple expander from Harbor Frieight works fine with a good impact gun and lubing up the inside of the pipe to be expanded. I have gotten away from those slip fits with the horseshoe clamps because I don't like the way it deforms the pipe and makes it difficult to remove. I have been using the sanitary flanges that you weld on from Robert James Sales here locally and they are stainless ! carry on
 
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