You want to make the baffle in the can from aluminum tube? I'd think you
can get away with that. Have you tried calling Yosh (or any other pipe
maker) and asking about a section of tube? Or even an exhaust fabber?
Someone has to be able to get that size tube, I'd think.
On 1/9/2012 8:29 PM, Obaa wrote:
> Mildly esoteric question.. Can aluminum tubing be used in an exhaust?
>
> Details: I have a "vintage" motorcycle ('86 Suzuki GSXR-1100); it is pristine
> (since I am the original owner :) It's had a aftermarket Yoshimura stainless
> exhaust for it's entire life, though I've had to repack the baffle numerous
> times. The header and midpipe are in perfect shape, being SS, but at this
> point, the inner core of the baffle has disintegrated, and Yoshimura no longer
> offers the parts for repair.
> The midpipe is 2" o.d.; the available replacement
> baffle is 2.25" i.d. Otherwise, everything would go together perfectly. I
> originally thought of getting a piece of SS tubing with 2" i.d. x 2.25" o.d.
> dimensions to slip the parts together, but I could not find such a pipe. Then
> I thought maybe get a strip of SS plate .125" thick, until I realized I could
> not form it that nicely/tightly. Then I saw that aluminum tubing is available
> in that dimension. My concern are if it would hold up to the heat (I would
> think so, given that baffles are made of aluminum), if the heat expansion
> issues might cause a problem (it'll be sandwiched by SS), and if there might
> be a corrosion issue (dissimilar metals, etc.). Do you think it would work,
> or should I try coming up with something else?
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