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Titanium?

2K views 32 replies 14 participants last post by  micwhitt1 
#1 ·
Not wanting to sound like a nube, but here it goes. I bought my F4 from a dealer who didn't have any of the records/receipts from the previous owner. I've been trying to figure out what all was done (carbon bolt-ons, etc.) before I got it and now I'm starting to look closer at the exhaust. The cans are Arrow e3s, but the pipes are turning blue/purple/pink like titanium. Is there something I can look for that will give me a definitive answer?
 
#8 ·
Both stainless and titanium are non magnetic but in my experience that certainly looks like stainless...

The rainbow effect will eventually be replaced by a bronze brown colour, as the stainless goes through its various heat exposure processes. I have polished a brown stainless steel exhaust, only to see it turn rainbow again and eventually bronze....


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#17 ·
The quickest way to tell the difference between Ti and stainless is to give it the taste test. Clean a spot and give it a big old lick. It's best to do this when the pipes are cold.

If it tastes like aluminium foil with a tinge of asprin, it's most likely stainless, or inox.

If it tastes like hot pepsi with a nutty after flavour, it is Ti.

Let us know what you find!
 
#18 ·
The quickest way to tell the difference between Ti and stainless is to give it the taste test. Clean a spot and give it a big old lick. It's best to do this when the pipes are cold.

If it tastes like aluminium foil with a tinge of asprin, it's most likely stainless, or inox.

If it tastes like hot pepsi with a nutty after flavour, it is Ti.

Let us know what you find!
Hahhaahaha
Love your work Mat. Do you clean the pipe with a bit of uncut Cocaine powder/paste :yo:.
 
#24 · (Edited)
Titanium is a much brighter blue color, almost iridescent. Those are definitely INOX.
These are pics of Castle's F4CC Ti exhaust.
 

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#30 ·
Another way to tell your steel or inox pipes from titanium is to look at the welds. Titanium welds are very fine and actually are flush or recessed a bit. Regular steel tig weld will be raised a bit.

Here is my guess why, Noel will know for sure: When you tig weld Ti, unless the material is shielded from both sides, you don't feed rod into the puddle. In effect, you are melting the two pieces of titanium together and that is what gives you the flush or slightly recessed look.

Whereas with steel, you feed rod into the puddle adding metal and you get a raised effect.
 
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