I am thinkin of adding a couple little mods to my 01 7.3L, I was looking on Black Cloud Diesels site and was reading about a couple of there mods. Just wanted to see if yall though it was worth getting. I was looking at there Boost Tube, Dual relief vavle, air intake heater plug and there high pressure oil crossover hose. My question is there dual relieft valve, will it let you boost over 25psi or will it limit it to that amount because I was seeing 28psi with my edge programmer. Also the heater plug. What exactly does that heater element do? Should I remove it and replace it with that plug?