Quote:
Originally Posted by serialk11r
Hey why don't people use aluminum exhaust? It's not like the pipe needs to be strong, even at higher temperature, aluminum is corrosion resistant, and weighs close to nothing...if you polish it well it looks just as shiny as stainless steel, probably more shiny since it has lower coefficient of absorption.
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Expands and contracts too much with temp changes. Weak when hot. Probably severe corrosion issues when hot, too.
There are aluminum race mufflers, but a full exhaust wouldn't last very long.