Exhaust tips. Ideas??

I'd have to cut off the taper where it goes from 4" to 3"

...

I'd have to cut the plain ass end off of my muffler and have this welded on.

My muffler goes from like 6" muffler down to 4" tip, and the tip is super plain.

the titanium isnt welded to the stainless. the tip is made up of the tapered piece, which is stainless, and then a titanium piece attached to that with rivets i think....so the part you are tig welding is stainless to stainless...:tup:
I see the rivets now... but I'd still be welding straight titanium to stainless. I can't make use of the dinky little 3" reduced stainless section, it'd go from a 6" can with a 4" opening straight to this 4" titanium piece. I could ask them if they make them in shop and would be willing to sell me the titanium/rolled lip piece alone without riveting it to the stainless reducer, but I highly doubt they make these and are likely sourced from China to be perfectly honest.
 
You should definitely look into ti welding. I don't know a whole lot about it but I have worked with the material a bit. Welding ti requires the absence of oxygen, for one thing. Usually this is accomplished by either a vacuum chamber or a gas filled chanber. I've heard of a high pressure trailing argon stream that keeps the oxygen off the weld but that is seriously high tech stuff. Not to imply that it isn't possible, but I have NEVER seen ti successfully welded to any other material. The welds end up extremely brittle and oxidized to the point of being useless. Some ti alloys can be cross welded but I doubt that's what motordyne is dealing with...
My point being that successfully welding titanium to titanium is no joke, and not something a guy can do in his shop with a TIG welder. The idea of welding it to anything else is on a whole different level.
 
yesssiiireeee

Motordyne makes two tips that you can use, I have on of the two.

mine are the 3" inlet 4" outlet rolled tip burnt titanium....

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All I see on their site is 3" in 4.5" out. You say yours is 4"....will the 4.5" work?
 

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Hmm. I found someone who is willing to sell me his burnt tip 3'' in 4.5'' out motordynes for $100. Do you know of any FX's with 4.5" tips and have pictures?

For reference, the Nismo S-tune tips are ovular and 4-1/4" wide. 4-1/2" round will be fine in the bumper cutouts. Just make sure they are axially aligned when installed and it wont look funky.

SfmDRuT2
 
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