I intend to use my stock head unit phone+ phone- and tel mute using ear piece wire, since ear piece using 1 ear plug I could wire that to phone +-. My only problem is for the tel mute what wire from the ear piece...
I was digging my car and was always wanted to do
this CAI , but had a look in my car the other day
saw the intercooler pipings coming from the left side
and the right side pulak got oil cooler
and 63t ppl did CAI ?