Hey everyone! Just want to let you know the moment we’ve all been waiting for is here! Tire size calibration is now available via the SCT X4 7015 and the SCT X4 7015FS!!! This update corrects speedometer and odometer accuracy for the 2015-2016 F150 2.7L EB, 3.5L EB, 3.5L NA and the 5.0L. If you don’t already have the SCT device updater, you can download the updater software here. Stay tuned on updates for the SCT 5015 and SCT 5015+.