Wow - rusty new exhaust pipe

[letitsnow]

The exhaust piping that I used on my truck is the rusty stuff. The piping that I cut off is the other stuff. It has only been on the truck since November. I can't imagine the new pipe will last long. Kinda bummed.

Is the old pipe stainless steel or something maybe?

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[delta_p]

Much of the aftermarket stuff, including catalytic converters, is not built for 100,000 miles.

 

[94burbk1500]

The old pipe looks to be galvanized, think steel fence posts.

 

[RichLo]

Yep, galvanized. Was the pipe you bought meant for exhaust? All exhaust should be either galvanized, stainless, or ceramic coated since you cant paint or powder coat hot exhaust.

 

[letitsnow]

Yep, galvanized. Was the pipe you bought meant for exhaust? All exhaust should be either galvanized, stainless, or ceramic coated since you cant paint or powder coat hot exhaust.

I bought it from auto value. I asked them for exhaust pipe. Paid good money for it.

 

[Schurkey]

Not likely galvanized, as that is seriously poisonous when welded.

The word you're looking for is "aluminized". Lots of aftermarket pipe is aluminized, and it REALLY SUCKS compared to OEM stainless. OTOH, it's what was used on '60s and '70s cars. Exhaust pipes and mufflers tended to last about three years before perforating in areas that used salt on icy roads.