Pick Your Poison: Performance Pacs in Three Levels for GM Trucks
SLP Performance Pacs for GM Trucks are designed for vehicles equipped with 5.3L and 6.2L V8 engines, and are available in three levels of performance. The SLP Performance Tune features custom SLP calibration downloaded via a SCT X4 Handheld Flash Device. The Performance Pac Level 1 adds an SLP Blackwing Cold Air Kit, and the […]