Quote:
Originally Posted by pjq
I removed rusted steel exhaust bolts and nuts from my stainless steel exhaust system (manifold, flange).
Is there a certain grade of steel bolt I should replace these bolts and nuts with or can i use stainless? Why would the factory use straight steel on a stainless system?
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Because the bolts are "consumables" like wheel bolts and rotors. i'd suggest grade 8 bolts at bare minimum.