First gen man

iTrader: (24)

What does every one think of titainium exhaust? Is it weldable to steel? If it is i wanna use a steel downpipe with a titainium exhaust from the end of the down pipe back. Does anyone have any objections? Can it handle rotary heat w/o any wierd effects?

Makenzie71

titanium will hold up just fine...thing is, why? It's not that much lighter and it's much more expensive.

You can weld steel to titanium but it'll require someone who knows what they're doing.

First gen man

iTrader: (24)

how less would a full titainium exhaust way up to a steel? about how many pounds down?

Makenzie71

depends on teh setup but not enough of a difference to notice.

RETed

The problem with running these thinner "super" metal is that they tend to "ring".
The rotary pulses are so strong that it tends to ring stainless and Ti exhausts cause manufacturers tend to run thinner gauge metal to produce these exhausts.
Yes, they are lighter, buy can you really tell the difference in weight while driving?


-Ted

snub disphenoid

I'd only suggest a titanium exhaust if you're dedicating yourself to lightening your car. They're a lot more expensive, and using just a titanium muffler won't save you a lot of weight, so just ask what you aim to do with your car.

Madrx7racer

it's your money.....but it's a retarded way to spend it.

weight savings and power to cost ratio is not very good.

--MAstermind--

if ur going to gut ur car, and lighten it as much as u can(AC, etc etc....) then go for it all the way every little bit adds up....if its ur AC equipped fully interoired car....its not enough to justify.....see where u wanna go and what makes ur comfortable...i plan on getting one march/april of next year....i plan on getting carbon doors and sunroofplug....carbon hood, i have no AC no interoir or TAR and a Ti SINGLE exhaust...that should cut considerable wieght hopefully thats my longterm goal, so it will end up being costeffective...because it all adds up....



BTW a gentleman at my local dyno shop said that making one out of thick aluminum would do i am not a metal fabricator BUT sounds like it wouldnt hack it on a rotary turbo....RETed any comments on thick guage ALUMINUM exhaust..he said it was cheaper than Ti and inbetween if done right.....

(not trying to post jack BUT this could be a cost effective. alternative...)

good luck!

i belive knightsports has a Ti DUAL going for almost 3k! so u can see the
cost to weight to power raito...

RETed

The guy is an idiot.
It's going to melt.


-Ted

Makenzie71

Actually I've used aluminum...there's no way it can hold up to the temps seen at the down-pipe or pre-cat areas, but the rest will hold up just fine.

Makenzie71

...and it burns, not melts...as me how I know...

vex

How do you know?

Makenzie71

Because a caught a supra's d/p on fire by experimenting with aluminum...

Flem-Ball

Well, that's one way to find out. lol.

Yeah, not the most cost effective mod you can do.

TonyD89

iTrader: (10)

First Gen Man, You can't weld titanium to itself or steel with a conventional TIG or MIG. It has to be done in a "Purge Chamber". A big box with windows and gloves attached to it that you slip your hands in. The box is then purged of all atmospheric air (filled with argon) before welding. If you don't do this it will catch fire and burn! Kinda like magnesium. You ever see mag burn? This is one of the reasons it is so expensive, among others.

capn

well personally seeing as most of us bought our cars for less then a Ti exhaust i dont think its justified

Makenzie71

bzzzzzz...wrong. Sorry, but you need to do some more research.

TonyD89

iTrader: (10)

Alloys maybe. Pure Ti, no.

Makenzie71

Titanium, element or alloy, only requires a clean enviroment. Boxes are stilled used on a small scale but it's not neccessary. U can also use either gas tungsten or gas metal arc welding without ANY problem.

Do your research...

TonyD89

iTrader: (10)

You can purge the inside of a pipe, and use other good shielding techniqes but i'm thinkin' of the DYI guy. As was said before, you better know what your doing. I don't want to get into an argument, but, Ti will burn. It can be dangerous.