Thread: Will Pypes Stainless Rust
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  #25  
Old 09-25-2020, 04:15 AM
Geoff Geoff is offline
Ultimate Warrior
  
Join Date: Jul 2005
Location: Australia
Posts: 2,471
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I have used 409 grade s/steel on many exh systems. It will discolour, but does not rust.

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