Cold Weather Upgrade Kit for the Fleece Performance Intake
6.7L Cummins owners: Our add-on cold weather kit for the Fleece Performance intake and grid heater kit provides proven engine startability down to -35° Celsius! 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 cold temperature startability with lower wattage and less strain on your grid heater relay!
Kit includes:
- 700W coil heater
- High flex heater cable
- Installation hardware
Recommended Cold Weather Startability Configuration:
|
Sustained Temperature Fahrenheit (Celsius) |
Configuration |
Sustained Cold Startability Test |
|
32°F (0°C) |
Single Heater |
PASS |
|
23°F (-5°C) |
Single Heater |
PASS |
|
5°F (-15°C) |
Cold Weather – Dual Heater |
PASS |
|
-13°F (-25°C) |
Cold Weather – Dual Heater |
PASS |
|
-31°F (-35°C) |
Cold 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
Warranty
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
IMPORTANT: We will not be shipping product between the dates of July 5th and July 11th. All orders will be processed and shipped the week of July 12th.
While we are closed take advantage of 5% off MSRP!












