Shop the #1 Selling Tuner on the Market
PDI’s BIG BOSS® Performance Tuner brings all the benefits of tuning without all the hassle. Simply plug it into your diagnostics port and follow the simple instructions to have the results of tuning with the press of a button.


























PDI Big Boss Performance Tuner
Regular price
$2,245.00
Regular price
Sale
$2,495.00
Sale price
$2,245.00
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PDI Big Boss Performance Dual Oil Cooler for Cummins X15 | ISX
Regular price
$3,950.00