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Narrowband machines have a Black sensor wire in the exhaust
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Wideband machines have a Blue sensor wire in the exhaust
ECO TOW +30HP WHISTLE3
2017-2019 6.7 POWERSTROKE - HPTUNERS CUSTOM TUNING 2003 Narrowband machines have a BlackComplete custom calibrations developed specifically for the 17 19 6. 7 Powerstroke Trucks. All torque and speed limits removed. Pilot Post injections removed. Exhaust brake power increased and enabled to lower speeds. Considerable fuel mileage gains over the stock calibrations. Improved pedal sensitivity and adjustable per SOTF level. Torque converter lockup enabled in 2nd while using Tow Haul mode. Full Manual control over shifts in driver select
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