The Hardway Collection | Cummins Custom Tuning Packages | HPTuners & EFILive

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Hardway Performance specializes in custom Cummins tuning — built truck by truck, not off a shelf. Every calibration in this collection is written specifically for your engine, your modifications, and your intended use, whether that's pulling a heavy load, beating a sled track, or running a Class 8 rig across the country. Our tuning packages cover the full range of modern Cummins applications using industry-standard platforms: • HPTuners Shift-on-the-Fly (SOTF) — for 2013–2024 6.7 Cummins Ram owners who want on-the-fly tune switching (SOTF0–SOTF5) • HPTuners Stage Tuning — for 2003–2007 5.9 Cummins with Tow, Street, and competition-ready calibrations • EFILive Custom Calibrations — for CM849 5.9 Cummins and medium/heavy-duty applications including RVs, Class 8 trucks, dump trucks, and marine All tunes are emissions-intact and dialed in by Ryan Milliken, an award-winning diesel performance specialist. Current turnaround is 5–10 business days. Choose your application below.

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