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| The Pub For General Automotive Related Talk |
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26-02-2007, 11:45 AM
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FF.Com.Au Hardcore
Join Date: Jul 2005
Location: Melbourne
Posts: 6,940
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Whats the difference between aluminised and stainless steel? Do they both last just as long?
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~~~~~~~~~~~~~~ Rides (past and present) Current: 2004 Ford Falcon 5.4L 3v Barra 220, Manual Past: Mitsubishi Sigma (m), Toyota Seca (m), Toyota Seca SX (m), Toyota Vienta V6 (m), Toyota Soarer 4L v8 (a), BA XR8 ute (m), T3 TE50 (m), BMW Z4 (m) AFF motto - If contrary views trigger, please use ignore button. 
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26-02-2007, 11:57 AM
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they call me Tibbo
Join Date: Dec 2004
Location: Brisbane
Posts: 6,163
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no... stainless steel will usually last longer..
Aluminised steel is cheaper, has some of the qualities of ally ie- it has a softer fininsh which is easier to polish, I am guessing but I'd say the heat transfer is better, but doesn't weigh any less because it is usually coated over mild steel. Alumininised steel will eventually oxidize where SS won't
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26-02-2007, 12:01 PM
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Regular Member
Join Date: Nov 2006
Posts: 37
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Simply answered... No Aluminised will not outlast stainless. Hence the significant price difference. As you can imagine there are many different grades of stainless steel, some cheap and nasty will probably last just as long as aluminised steel, however most exhaust specialists would be using a reasonable grade stainless which will outlast alumised steel undoubtably. Aluminised steel is basically a mild steel with a % of aluminium designed to resist rusting but is not rust proof. My opinion would be to go with aluminised steel, its cheaper and will last if you drive your vehicle daily.
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26-02-2007, 01:13 PM
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HSV - I just ate one!
Join Date: Dec 2004
Location: Middle of nowhere
Posts: 3,215
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discussing my sprints exhaust with my local exhaust fitter, his comments were:
"yea, its the orginal system, **** grade stainless, but it'll last for years
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Aluminised vs Stainless steel
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