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Old 12-03-2013, 05:15 AM   #1
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Best way to polish an exhaust back to "old glory"

Hi there,

I am trying to sell a (non-Boxster) exhaust online.
In the pictures it shows some oxydation and doesn't look too great/appealing. (I got a few messages about it).
What's the best method and chemicals to polish a stainless steel exhaust back to its shiny old self?

Thanks

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Old 12-03-2013, 05:19 AM   #2
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Solvol Autosol metal polish. I use that **** on everything!
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Old 12-03-2013, 06:21 AM   #3
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If that doesn't work, you might try "Bar Keepers Friend". I haven't tried it on auto exhaust but I use it on my stainless cooktop and it works great for that application.
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Old 12-03-2013, 08:04 AM   #4
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I used mother's Mag & Aluminum Polish on my Boxster's exhaust.


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Old 12-03-2013, 11:45 AM   #5
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Quote:
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I used mother's Mag & Aluminum Polish on my Boxster's exhaust.


Wow, is that and OEM back box you've made look that shiny?
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Old 12-03-2013, 11:58 AM   #6
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If it is an option, remove the tip and use a cloth buffing wheel mounted to a bench grinder along with some compound. Failing that, a buffing cloth attachment for a drill, if no there follow Chuck's advice along with some elbow grease.
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Old 12-03-2013, 04:51 PM   #7
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I have heard (Not tried) that Coke and foil work.

See the YouTube video: How to clean chrome - YouTube
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Old 12-03-2013, 04:58 PM   #8
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Quote:
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Wow, is that and OEM back box you've made look that shiny?
It is an OEM '03 exhaust I had modified by FD Motorsports. While it was off the car I polished to a mirror finish. No one besides me enjoys it.
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Last edited by Chuck W.; 03-29-2015 at 08:08 AM.
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Old 12-03-2013, 05:41 PM   #9
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Quote:
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I used mother's Mag & Aluminum Polish on my Boxster's exhaust.


WOW! Did you use a microfiber cloth or a polisher extension for a power tool?
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Old 12-03-2013, 06:15 PM   #10
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Never Dull will sure help you get it clean. You can polish from there.
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Old 12-03-2013, 06:19 PM   #11
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Looks great. I used noxon, I think that's what it's called. I cleaned it up, but nothing like that. If you can put a polishing head on your power drill it would go a long way. Otherwise you'll need a lot of elbow grease.
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Old 12-03-2013, 06:58 PM   #12
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Quote:
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It is an OEM '03 exhaust I had modified by MD Motorsports. While it was off the car I polished to a mirror finish. No one besides me enjoys it.
I enjoyed it.
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Old 12-03-2013, 07:50 PM   #13
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Quote:
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WOW! Did you use a microfiber cloth or a polisher extension for a power tool?
Just a rag and buffed it with a microfiber cloth.. all by hand.
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Old 12-04-2013, 11:21 AM   #14
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I enjoyed it.
Me too!

I was under the impression from looking at my rusty OEM muffler that it was just galvanized mild steel. Chuck, does it stay shiny like that without a lot of maintenance? It looks like stainless. Nice!
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Old 12-04-2013, 11:34 AM   #15
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I have a 99 and it was not pretty. I researched and discovered its stainless steel. I got some fine wet sandpaper sat down in the driveway in my bathing suit and a hose and wet sanded it with the fine sandpaper. I think it was 800 then 1500 grit then dried it off and waxed it. Looked great!
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Old 12-04-2013, 12:05 PM   #16
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Quote:
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Me too!

I was under the impression from looking at my rusty OEM muffler that it was just galvanized mild steel. Chuck, does it stay shiny like that without a lot of maintenance? It looks like stainless. Nice!
Mikez is right, it is stainless steel. I have about 3,000 miles on the muffler when that photo was taken. Very easy to maintain once you get it to shine.
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Old 12-04-2013, 01:14 PM   #17
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Quote:
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Just a rag and buffed it with a microfiber cloth.. all by hand.
you must have strong hands because that's really an impressive result. I have polished Fabspeed tips and using the Mother's polish and the Never Dull has not made a budge in the caked-on carbon. I'm hessitant to get out the dremmel, I might just send it out.

I once worked with a DIY'er guy who polished exhaust manifolds to mirror shines from oatmeal finishes. He used some sort of wheel brush.
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Old 12-04-2013, 03:46 PM   #18
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Perfectlap, I have had carpal tunnel. Honest! Its a labor of love cause the things that break on these cars is unbelievable!
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Old 12-04-2013, 04:34 PM   #19
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I am OCD with polishing things. A good day is waxing the cars. I laid 950+ feet of vinyl composite tile in my garage. Then waxed it.... and wax it. Then bought a high speed burnisher (buffer) off of Craigslist, and once a week everything gets drug out of the garage and I do my thing. Life is good....

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Old 12-05-2013, 07:37 AM   #20
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*cough*

WOW I though I was bad when I did the exhaust on my TT years back. The wife couldn't understand why I would use so much time to polish something, as she put it, "that no one will ever see." It made me happy though!

Center pipe before:


After polishing. Blue magic metal polish and a buffing wheel on a drill.

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