Ordering my stuff to delete all the useless emissions junk. When I did my 2008 C/C 4500 I had to plug the rail because the H&S raised the rail pressure and kept throwing a code. I'm using the RaceMe Ultra on my 2014 2500. Do I need to plug or shim the rail? I'd just assume not remove a safety feature like a relief valve. But I will if it's necessary.
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