This might be common knowledge and I just couldnt find it, but I was wondering if nitrous lines will rust? I was planning to run the line from the trunk to the engine under the car this week and wasnt sure if I should use something to protect it from the elements. Its the hose from teh 5177 kit btw. Thanks a lot.

 

mine hasnt rusted yet and its a used kit bout a year older run like you have

 

I run mine under car.. My kit is only 6 months old, but I dont see any reason it would rust..
you should be good.