Hardway PerformanceCummins Heavy Duty Tuning | EFILive | 2001+ RV, Class 8, Dump Truck & Marine
Medium and heavy-duty Cummins custom tuning via EFILive, backed by Ryan Milliken. Model years 2...
Hardway Performance
Custom Tuning
Precision diesel tuning crafted for your exact build — more power, better efficiency, and a truck that performs the way you want it to.
Custom Built
For your exact mods
Emissions Safe
All components intact
5–9 Day Delivery
Fast turnaround
The Process
How It Works
1
Choose Your Package
Browse our tuning options and select the one that matches your truck and goals.
2
Submit Vehicle Info
Provide your truck's specs, modifications list, and what you want to achieve.
3
We Build Your Tune
Our diesel specialists craft a precision tune built around your exact build.
4
Flash & Drive
Receive your tune file, flash it to your truck, and feel the difference immediately.
What We Offer
Everything You Need
Custom Tuning
Cummins-specific tunes built to your exact mods — unlock real horsepower and torque while keeping emissions components intact.
Explore PackagesTech & Sensors
The tools and sensors you need for accurate data logging, monitoring, and getting the most out of your tune.
Shop TechCredits & Services
EFILive licenses, VIN credits, and ECM solutions — everything you need to get flashed and running your custom tune.
View CreditsStep 1
Custom Tuning
Cummins tunes precision-built for your exact modifications, fueling setup, and performance goals.
Shift on the Fly
Hardway Performance2019–2024 6.7 Cummins Custom Tuning | HPTuners Shift on the Fly | SOTF0–SOTF5
Six power levels, one finger. The 2019–2024 6.7 Cummins finally gets the tuning platform it deser...
Shift on the Fly
Hardway Performance2013–2018 6.7 Cummins Custom Tuning | HPTuners Shift on the Fly | SOTF0–SOTF5
Six power levels, one finger. Street legal HPTuners Shift on the Fly tuning for 2013–2018 Ram 250...
Hardway Performance2003–2007 5.9 Cummins Custom Tuning | HPTuners | TOW, STREET & LEMONS | Mild to Wild
Three purpose-built power levels for the 2003–2007 Dodge Ram 5.9 Cummins — calibrated around yo...
Hardway Performance2006–2007 5.9 Cummins CM849 Custom Tuning | CSP1–CSP5 | EFILive
Advanced custom ECM calibrations written specifically for your 2006–2007 5.9L Cummins (CM849) by ...
Featured Service
Custom Tuning
CALIBRATION REWRITE
Recently update your injectors? Change a map sensor out to a 10BAR? Upgraded to a 10mm CP3 or two? This is how you get your calibration updated to match your competition vehicles current configuration. Use the boxes ...
Emissions Safe
Works With Existing Tune File
$200.00
Tools & Hardware
Tech & Sensors
The monitoring equipment and tuning tools that give you accurate data and keep your build dialed in.
Hardway PerformanceHardway 10 Bar MAP Sensor by RIFE | 5.9 & 6.7 Cummins | High Boost Billet | Integrated IAT
Billet aluminum construction, anodized gloss black, and ready to install in place of your stock...
EFILiveEFILive AutoCal V3 | Custom Handheld Tuner Delivery
The EFILive AutoCal V3 is the professional tune delivery platform for tuners who need to supply c...
EFILiveEFILive FlashScan V3 | Scan, Data Log & Flash | GM, Cummins & HD | Up to 600 VIN Licenses
EFILive's most significant upgrade to FlashScan technology is here. The FlashScan V3 allows you t...
HPTunersHPTuners MPVI4 Interface | Scan, Log & Tune | Wi-Fi & Bluetooth | Thousands of Vehicles Supported
HP Tuners' newest and most advanced vehicle interface — designed for custom calibration, diagnost...
Hardway PerformanceCSP5 Switch w-OBD Pass Thru- 06-18 5.9 & 6.7 Cummins
SoCal Diesel CSP5 Switch with OBD Pass Thru Option for 2006 to 2018 5.9L Cummins & 6.7L Cummi...
Hardway Performance2018+ SECURITY GATEWAY BYPASS FOR RAM TRUCKS
RAM vehicles made in 2018 and after, this device is necessary for programming. Vehicle's manufact...
HPTunersDiesel Switch | Shift On The Fly | HPTuners
Hardware 6-position rotary switch for HP Tuners’ L5P and Cummins (CM2450 and CM2350) Switch on th...
Hardway Performance9 PIN HD TO OBD ADAPTER
Adapter (SAE-J1962 to SAE-J1939) - J1939 9-pin Green Deutsch connector to 16-pin SAE-J1962 adapte...
Licenses & Unlock Codes
Credits & Services
EFILive licenses, VIN credits, and ECM services — the software side of getting your truck tuned and flashed.
HPTunersHPTuners Vin Credit
please click HERE for a complete list of supported HPTuners vehicles and the amount of universal ...
EFILiveEFILive - Unlink Code
Want to use a Hardway linked Autocal with another company? No problem! This will purchase a unlin...
EFILiveHD VIN License For AutoCal OR FlashScan - EFILive
With the addition to our heavy duty line of tuning, add additional HD VIN Licenses to your order ...
EFILiveCummins HD Enabled Upgrade | FlashScan V3
Upgrade your existing FlashScan V3 to include tuning for supported Cummins HD vehicles. Two VIN l...
EFILiveVIN License For FlashScan V3 or AutoCal V3 | EFILive
The FlashScan V2/AutoCal VIN licensing scheme does not rely on the VIN but on other non-VIN data,...
Hardway PerformanceECM cloning/bench flash services.
This product is a ECM cloning/recovery service. YOU ARE NOT RECEIVING A PHYSICAL ITEM FROM US. ...
Featured Service
Credits & Services
HP Tuners RAM CM2450B ECM Upgrade Service | 2022–2024 Ram 6.7 Cummins | Send-In | Enables Full Tuning
ECM Cloning & Recovery
Bench Flash Service
$1,499.99
Important to Know
Our Policies
Emissions Compliant
Our tunes are built with all emissions components left intact and fully functional — no exceptions. We don't offer delete tuning, period.
Learn MoreReturn Policy
Virtual products including custom tuning and unlock codes are non-refundable. Physical items may be returned within 30 days in original, unused condition.
Full PolicyShipping
Allow 5–9 business days after processing. Orders ship Monday–Friday, excluding holidays. Tracking provided within 3 days for standard orders; custom products ship when complete.
Shipping Info