Aluminum exhaust manifolds on VP engines with catalytic converters

ddurand

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Member
Joined
Jun 20, 2001
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5015
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837
Anyone have experience with how long they last in salt water. I believe they are anodized or have a ceramic coating or both. Need to clean carefully using wood or plastic scrapers. Unsure if it can be soaked? Maybe in Salt-Off?

For me with closed cooling it's only the exhaust elbows. But still it's around $1300 each.

Not like the old days where I could buy a Sierra one for under $200.

No aftermarket one available.
 
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