Quote:
Originally Posted by woolf
The heartthrob x pipe is aluminized mild steel not aluminum. Both aluminized and stainless will weld to mild steel with the proper weld rod.
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Good to know. While I'd prefer a better metal, at least the base metals match up. I'm not concerned about possible insulation loss around the welds, or the rust-preventative qualities of aluminum. I'll be painting the exhaust from the point of the new x-pipe down with hi-temp flat black coating. That's what my WS6 had on it's custom 3" exhaust for 8 years and looked brand new when I sold it.