TwinTurbo.NET: Nissan 300ZX forum - Why not make an aluminum exhaust?
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Subject Why not make an aluminum exhaust?
     
Posted by Zoltan on August 10, 2004 at 12:30 PM
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Message I don't know much about metals, so I would like to know why I never hear of any aluminum exhausts?

Sure, it's difficult to weld. It corrodes easily at high temperatures, and it has a high expansion coefficient. (Maybe the aluminum can be treated with some heat resistant "stuff")

People talk a lot about saving weight, a cat back aluminum exhaust wouldn't weigh much.

     
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