ALUMINIZED or STAINLESS whats the Difference ?

668 Views 9 Replies 7 Participants Last post by GTi 1.8T, Nov 30, 2001

GTI's4ever

Discussion Starter · Nov 30, 2001

Whats the difference between aluminized and stainless steel and is there any performance difference?

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Re: ALUMINIZED or STAINLESS whats the Difference ? (GTI's4ever)

No performance difference. Stainless will last more than your car will so there's really no need unless you plan to keep your car for more than 5 years wich I doubt you will.
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Bug_Power

· #3 · Nov 30, 2001

Re: ALUMINIZED or STAINLESS whats the Difference ? (Senna 1.8T)

Biggest difference is how they hold up on salted roads. If you don't live on the beach nor have snow covered roads that need to be salted a decent grade aluminazed muffler will last a while. The Stainless just has less corrosive tendancies.

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GTI 20v

· #4 · Nov 30, 2001

Re: ALUMINIZED or STAINLESS whats the Difference ? (Senna 1.8T)

In northern climates, I have heard of aluminized systems rusting through in as little as 2 years. In southern climates, I have heard of aluminized systems lasting 10 years. It's all where you live.
-Nick

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Pangster

· #5 · Nov 30, 2001

Re: ALUMINIZED or STAINLESS whats the Difference ? (GTI 20v)

...I didn't think aluminium rusted?

rotted maybe?
... and yeah I was brought up in the UK so the spelling's different

[Modified by Pangster, 7:27 AM 11-30-2001]

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GTI 20v

· #6 · Nov 30, 2001

Re: ALUMINIZED or STAINLESS whats the Difference ? (Pangster)

quote:[HR][/HR]...I didn't think aluminium rusted?

rotted maybe?
... and yeah I was brought up in the UK so the spelling's different

[Modified by Pangster, 7:27 AM 11-30-2001][HR][/HR]

"Aluminized" is NOT aluminum. It is mild steel coated with a corrosion inhibitor. The problem is when road debris chips the coating off, exposing mild steel, which is very susceptible to corrosion in the presence of water, air, and chlorides (salt).
-Nick

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Pangster

· #7 · Nov 30, 2001

Re: ALUMINIZED or STAINLESS whats the Difference ? (GTI 20v)

....aaaaaahhhhhhh............so why is it called aluminized?

just pulling your leg!

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GTI 20v

· #8 · Nov 30, 2001

Re: ALUMINIZED or STAINLESS whats the Difference ? (Pangster)

quote:[HR][/HR]....aaaaaahhhhhhh............so why is it called aluminized?

just pulling your leg![HR][/HR]

Heh, good question. I didn't name it.

-Nick

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Wolk's Wagon

· #9 · Nov 30, 2001

Re: ALUMINIZED or STAINLESS whats the Difference ? (GTI 20v)

Mild steel exaust systems allways rust out, even in Houston. IMO Buy SS or don't bother , my stock exhaust had a hole in the muffler with less than 12k miles on the car, no salt down here at all.

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