robert2423

I just got my exhaust last summer. But this winter is kicking my exhausts ***. The burnt tips have little rust spots all over them? Any thing that cam remove these? Is it ark not using very good metal? Look foward to some answers thanks guys.

Sasnuke

Stainless steel polishing compound perhaps.
It could even be debris that stuck to the exhaust, and just rusting on the surface.
Since stainless doesn't rust, you should be able to get the spots off.

robert2423

thanks man ill post a pic when i go back to the car. Ill try some compound and see if helps.

Solara350

Mine too, the tips got rusted

robert2423

jkonquer

Looks like a surface rust, polish compound should remove them but it will also remove the blue burnt tip as well.

Drawblood

So...don't be fooled by stainless being "rust proof". All stainless can rust unless it's been passivated. I'll bet my savings account that ARK (along with all other exhaust companies) don't passivate. Add some salt (along with the heat from the exhaust) to them and it speeds rusting the process. It's important to remove road grime regularly, especially during the winter months. 70% IPA will help break down the salt and dissipate any moisture. Keep a spray bottle in your garage and hit the tips several times a week. I suggest giving them a light scrub with a Scotchbrite pad (not the heavy scouring type, the lower the grit, the better). Go easy, or you run the risk of polishing off your lovely burnt tip look. Polishing compound (same stuff used to remove paint swirl marks) works beautifully!! It's super fine grit, so it won't damage your tips.

If you need more info, please feel free to PM me.

Sasnuke

That is an important point to note, also that there all kinds of stainless steel. For instance the stainless used in utensils to consume food is different than the stainless used to make exhaust systems.
While some surface rust might occur, it shouldn't rot like steel...at least not any time soon.

beer

stainless can and does rust. look at the name: stain less. it 'stains' less.

I have seen first hand billet stainless arms that were used for underwater robots/excavators that started pitting/oxidizing so bad, the company had to switch to titanium. salt water is some insanely corrosive stuff, same with rough winters (as found in Utah).

3ISRC

otakusan

man, that looks pretty bad. None of the Japanese exhausts (HKS, Mugen, Rowen, RSR, Fujisobo) I had on previous cars ever did that even after years of abuse in Canadian winters of salt and gravel.