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Discussion Starter #1
http://www.summitracing.com/parts/SUM-9722104/

Straighten out crimped, dented, and crushed
exhaust tubing with our Summit tailpipe expanders. Just
a twist of the hex bar and the rugged alloy steel tool
expands in all directions, restoring roundness. Use
one with your impact wrench for heavier tubing and
serious dents
I need to punch out a clamp groove, but I also need to expand a pipe by about 1/8 inch. Will this expand the pipe, or can it only restore it?
 

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It'll expand it - just make sure the pipe you are expanding is within the size limits if the tool.
 

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Discussion Starter #5
They have them in a variety of size ranges. I need 3"o.d. to 3.125 i.d as well as a few other odd sizes. This is cheaper than having a shop do it for me more than once.

And yes, I have access to impact tools :)
 

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so thats what it takes to make them work
Beats the hell outta trying to hold onto the pipe and turn the expander with a ratchet or wrench.........1/2" impact gun - quick zip and it's all done.
 

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One my of side pipes fell off, and I ran over it. The slip fit part was completely flattened. The same part is currently back on the truck. They work, lol.
 

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Discussion Starter #10
Well, I ordered it last night. So at the very least I will try it out.

GWhaley, do you have any tips or tricks? Is there a particular gauge that was too thick?

I assume if it is tough to budge, I can heat up the metal. I look forward to trying it!
 

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Well, I ordered it last night. So at the very least I will try it out.

GWhaley, do you have any tips or tricks? Is there a particular gauge that was too thick?

I assume if it is tough to budge, I can heat up the metal. I look forward to trying it!
Regular exhaust pipe won't be a problem.

I've used them to expand every size of pipe from regular passenger car pipes to ones off of a Mack truck. (My dads set does from 1 1/2" all the way up to 10") If you are having a tough time, just heat up the metal a bit - you shouldn't have an issue.
 

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Yea they work great. Dad worked for Maremont for 28 years distributing OEM replacement exhaust and suspension parts to part stores. If you were close enough Id say come on over since I have all his tools now.
 

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Discussion Starter #13
Yea they work great. Dad worked for Maremont for 28 years distributing OEM replacement exhaust and suspension parts to part stores. If you were close enough Id say come on over since I have all his tools now.
me <-- envy

lol. Thanks for the confidence. Shipped this morning, and should be here tomorrow.
 

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With the limited experience I have with using one I would say it works.
I bought a stainless cat back exhaust for my 325is and one of the tail pipes was somewhat squished and this tool brought it back to round.
 

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Discussion Starter #15
I should be posting pictures of that 'pipe expander'. It was destroyed the first attempt. I have to see what Summit is going to do.
 
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