6.4L KEM Special Edition Race SD card for your XRT Pro, Mini Maxx, or Black Maxx.

Now you can get the KEM Performance Nutty Professor special edition Race SD card for your H&S product that includes ALL of these power levels: 75, 150, 210, 250, 275, 310, and the 345!

KEM has been tuning the 6.4L longer than any other company.  We know what works and what doesn't.

VIN Number, tuner type (XRT Pro, Mini Maxx, or Black Maxx), and a list of any modifications made to the truck must be included above to complete your order. 

IMPORTANT:   This product is intended for off road, competition use only.  Use on state or federal highways is a violation of the EPA Clean Air Act.  All Purchasers of this product are required to read, understand,  accept, and agree to the Product Disclaimer and Liability Waiver (found here) before the checkout process can be completed.