Name: 2013–2018 6.7 Cummins Custom Tuning | HPTuners Shift on the Fly | SOTF0–SOTF5
Brand: Hardway Performance
Price: 500.0 USD
Availability: InStock

2013–2018 6.7 Cummins Custom Tuning | HPTuners Shift on the Fly | SOTF0–SOTF5

Price

VIN *

MPVI Serial Number *

Transmission *

Special Requests

Device Information * I understand that my device will not come with tunes pre-loaded on it and will require a base file to be sent to Hardway. → calibrations@hardwayperformance.com

Processing Time * I understand the current timeframe on tuning is 5–10 business days.

Emissions Intact * I understand that the tunes I am purchasing are not delete capable tuning. These are emission compliant tunes, meaning all emissions components must remain intact.

Quantity

Shipping calculated at checkout.

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HPTuners × 6.7 Cummins

Shift on the Fly.

Six power levels, one finger. Street legal tuning for late 2013–2018 Ram 2500/3500 trucks with the 6.7 Cummins — dialed in from your factory steering wheel. No switches. No drilling. Hundreds of hours of development behind every level.

2013–2018 Only 2500 / 3500 Pickup Street Legal 2018 models require SGW bypass cable — see hardware section

What's Included

6 Shift on the Fly Levels

SOTF0 through SOTF5 — all accessible from your factory cruise control buttons. No third-party switches, no drilling. Just power on demand.

Pedal Response

Drastically improved throttle response and overall drivability. The truck wakes up the moment your foot hits the pedal — loaded or empty.

Speed Limiter Removed

102mph wasn't enough. The factory speed limiter is gone — because sometimes the open road calls and your truck shouldn't be the bottleneck.

Exhaust Brake Memory

Tired of turning your exhaust brake back on every time you start the truck? It now stays exactly where you left it. Set it once and forget it.

Optional Trans Tuning

68RFE only: line pressure raised from 160psi to 170psi, L/R clutch fix for sprag rolling, UD air test disabled. Builder-specific calibrations available up to 250psi.

Hundreds of Hours of Dev

Dyno-proven across multiple 2013–2018 trucks, hundreds of internal revisions, and thousands of road miles. This is a finished product — not a beta.

Dyno Results

Real Numbers on a Real Truck

Tested on our in-house Dynojet 224XLC2. All pulls in 4th gear, torque converter locked, SAE correction factor. Chrysler/Cummins rates these at 350HP / 660TQ.

LevelHPTQGain

SOTF0 350 785 stock

SOTF1 402 874 +52HP / +89TQ

SOTF2 421 940 +71HP / +155TQ

SOTF3 441 1016 +91HP / +231TQ

SOTF4 457 1083 +107HP / +298TQ

SOTF5 476 1105 +126HP / +320TQ

Using Your Tune

How to Change
Power Levels

No app. No Bluetooth. No switches. Just the cruise control buttons already on your steering wheel — Cancel, RES+, and SET-.

Check your current level

Press Cancel once without pressing anything else — the dash will ding and the lightning bolt flashes to show your current SOTF level.

Go up a level

Press Cancel, then press RES+ the number of times equal to the level you want. 5 presses = SOTF5.

Go down a level

Press Cancel, then press SET- to step down. Each press decrements one level from wherever you currently are.

Confirm the change

The dash dings and the lightning bolt flashes the number of times matching your new level. 3 flashes = SOTF3. Simple as that.

Hardware Required

What Do I Need
to Get Started?

HPTuners MPVI2, MPVI2+, or MPVI3 With at least 4 universal credits loaded

Windows-Based Computer With an updated version of HPTuners VCM Suite installed

2018 Model Year Only Requires a secure gateway (SGW) bypass cable — HPTuners Smart Bypass or Hardway SGW cable

2013–2017 Models No bypass cable required — plug in and tune

FAQ

Common Questions

Will this improve fuel economy?

We wouldn't expect any changes in fuel economy. All known methods to squeeze extra MPG out of these trucks also raise NOX emissions — which is against compliance requirements. If economy is your goal: skip the lift kit, run conservative tires, and keep a light right foot.

Will this increase regen events or hurt my emissions system?

Under normal driving, no change in regen frequency. Your DPF catches soot whether tuned or not — if you're hammering it from every stoplight on SOTF5, you'll soot-load it faster. Drive responsibly and you'll notice no difference in DPF cycles.

Will this change my DEF consumption?

No. The entire DPF/EGR/DEF subsystem remains fully functional exactly as it left the factory. DEF consumption is unchanged.

Can I remove my emissions components with this tune?

Definitely not. This is a street legal, emissions-compliant product — all components must remain intact. There are no codewords, no workarounds, and no exceptions. The answer is no, full stop.

Do I need a bypass cable for my 2013–2017 truck?

No — only 2018 model year trucks have the secure gateway module that requires a bypass cable. If you're on a 2013–2017, you're good to go with just your MPVI device and VCM Suite.

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