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Cosmo Dude · 23-11-2008, 10:59 AM

Steel needs moisture to rust. At the temperature your headers will reach moisture isn't a problem. There may be a little bit of surface rust but nothing that will cause a problem.

23-11-2008, 10:59 AM	#10
Cosmo Dude コスモ Join Date: Dec 2002 Location: Location: Vic Car: Mazda '95 Astina I4, '86 B2K and '10 3 MZR-CD Posts: 7,888	Steel needs moisture to rust. At the temperature your headers will reach moisture isn't a problem. There may be a little bit of surface rust but nothing that will cause a problem. __________________ My 'stina Hatch