000 Steel Wool will polish it back up nicely. Used it on the outside of my tips and it worked wonders.

 

Good to know!

 

Stay on top of it. The more it builds, the harder it is to clean!

 

It's normal if it is 16000+ of carbon accumulation.

Not normal if it happened after say 2 months of usage.

All this assuming of course yours is a gasser and not a PD V10.

 

I used steel wool and it came right off, thanks! It did leave some scratches but I will buff it out.


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Steel wool will scratch the hell out of it. Try and get some 'Autosol' this is what we have in the UK, you wont go back once you've used it.

 

I do have some! I used steel wool and it did scratch it but I used a lot of compound and polish and it looks fine.

 

Used it on the outside of my tips.

 

Never Dull and some elbow grease.

 

Yup

 

It may or may not scratch it, but using any grade of standard steel wool on stainless will contaminate the surface and cause corrosion to start. Just wait, you will start to get orange staining and pitting.

 

You might be surprised how well Zippo lighter fluid on an old towel works for this purpose – with no need for scratching. I’m using this for quite some time with decent results. But, as others said, do clean exhaust pipe tips more often and carbon buildup won’t be that hard to remove (monthly works for me). The Bass Pro Shop sells 4 oz. of Zippo for $3.

P.S. Zippo works well for cleaning guns too.

 

Brasso or Silvo with a soft cloth works wonders ( and a bit of elbow grease ).

 

I am having to deal with this issue. I am flabbergasted that oven cleaner might be an option.

I have Brasso hanging around, but I think I will give some of your suggestions a go.

 

I detailed my Treg today and found a great combo for getting rid of the black exhaust buildup as well as the oxidation on the metal trim around the windows and lower doors. I used Nevr Dull first then used 000 steel wool while the Nevr Dull was still wet. I used a microfiber towel to wipe off the excess before it dried. No scratches and worked like a champ.