JP Instruments EDM options can be added at any time for singles and twins. You do not have to send the instrument back, everything is plug and play. The Turbine Inlet temperature (TIT) probe, is installed in the exhaust stack accumulator to a maximum depth of 1/2 inches and approximately 2-4 inches from the turbine inlet, on the wastegate side of the turbine. The TIT probe is shipped with a #48 stainless steel clamp.