There is a prespray available as well as the afterspray mentioned.  The
critical one for corrosion is the after spray coating.  This keeps water
from getting into the wrap.  I found it made a set of headers last much
longer.
jimt

On 5/20/05 10:09 AM, "Mike Jeffrey" <oldbus@GMAIL.COM> wrote:

> If Vanagon exhausts behave anything like motorcycle exhausts, be aware
> that wrapping may accelerate rust on your pipes. Not sure why, I'm
> pretty non-technical, perhaps something to do with condensation
> settling between the wrap and the pipe? Can anyone elaborate on /
> disprove this statement? Any preparation necessary prior to wrapping?
>
> Cheers,
> Mike.
>
> On 5/20/05, dylan friedman <insyncro@yahoo.com> wrote:
>> There is a clear hi-temp spray available to apply to
>> the wrap once applied.  Don't bother painting it, I've
>> seen it done and the outcome is not pretty.  Check
>> Summit, they should have the spray.
>>