As everyone knows on are trucks when u pop the hood right on top of the motor is a black plastic deal to do with air. It sayes duramax diesel on it i beilve its right on the very top of the motor. Or maybe it says 6.6. Whatever my question is if i was to take that off would i notice anything. Like a drop in egts or what would happen. Could someone please fill me in on this
Thanks Kurt
Thanks Kurt