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How Long Will A Stainless Steel Nismo Weldina Exhaust Last For?

Gdaymate123

By Gdaymate123,
in General Automotive Discussion

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scotty nm35 Grand Master

scotty nm35

Posted
Posted

About 5m at a guess. :P

It would depend if the inside of the muffler is stainless, or if it is just the body. Exhaust gas is very corrosive and will rust out any unprotected steel in no time.

Are you looking S/H or new? Perhaps someone could make you a proper stainless system locally rather than importing? ;)

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GTR-N1 Grand Master

GTR-N1

Posted
Posted

Yes the S/S lasts forever.

An interesting sideline is that where any sensor screws in, it's best not to use an aluminium washer.

In the end result of a chemical reaction, the aluminium loses and corrodes (albeit slowly); although there are different grades of S/S and also of aluminium, usually designated by 3 digit numbers.

xALmoN Grand Master

xALmoN

Posted
Posted

You'd think that exhaust gas is a reducing environment due to carbon monoxide and unburnt HC, mild steel exhausts would normally last ages. But then again, there's also NOx produced, with combustion water. So that's oxidative.

I've seen the light with regards to stainless.

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