is anyone elses zzp downpipe rusting?? seems more like 409 ss not 304 ss. what up with that? or is it just surface rust that rubs off?

 

also, who has a zzp exhaust and video of how it sounds and how do u like it

 

If you have a ZZP downpipe, it is 100% 304 S.S.. After a lot of heat cycles and all of the elements on the road your dp will discolor. Any rust would just be surface rust and can easily be cleaned off. Put a magnet on the dp if your worried about the material.

 

ya i think it is surface rust, it did rub off easy where i did it with my thumb.