Agree but I still have my egr installed so I unmarried the acess port and egr throw codes but I run stratified stage 2 tune and egr don't kick the engine light but u unplug the egr valve after shutting the car off for a bit the engine light will kick it confusing as hell
Same man every time I use cobb off the shelf map my egr kicks the engine light I called them they told me I had egr issues so I unmarried the acess port and no engine lights I use stratified no engine light unless I unplug the egr thinking the tuned had deleted the egr but not the Case
super...
This what I used in mazdaspeed 3 2012 to hook up 1000 watt Amp and 2 12s and does work w bose and factory head just plug and play type deal unit says it don't but does there yt vids too