FPE Intake Plenums

6.7L Cummins owners: Our add-on weather kit for the Fleece Performance intake and grid heater kit provides proven engine startability down to -35 centigrade! Optimized heater design and placement in the intake air stream ensure you get the most efficient heating possible. Compared with other grid heating kits on the market, the Fleece Performance kit achieves the same levels of temperature startability with lower wattage and less strain on your grid heater relay! Kit includes: 700W heater High flex heater cable Installation hardware Recommended Weather Startability Configuration: Sustained Temperature Fahrenheit (Centigrade) Configuration Sustained Startability Test 32F (0C) Single Heater PASS 23F (-5C) Single Heater PASS 5F (-15C) Weather Dual Heater PASS -13F (-25C) Weather Dual Heater PASS -31F (-35C) Weather Dual Heater PASS All testing was performed on a 2024 Ram 2500 with the block heater in use and sufficiently charged 12V batteries. Oil and weight: Freedom Series 100% Synthetic 10W-30 Weather Upgrade Kit for the Fleece Performance Intake.