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.

Step 1

Custom Tuning

Cummins tunes precision-built for your exact modifications, fueling setup, and performance goals.

5 options
CALIBRATION REWRITE
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.

8 products
EFILive FlashScan V3
EFILiveEFILive FlashScan V3

EFILive is back at it again with a MUCH needed upgrade to Flashscan technology! The FlashScan V3 ...

Licenses & Unlock Codes

Credits & Services

EFILive licenses, VIN credits, and ECM services — the software side of getting your truck tuned and flashed.

6 services
HPTuners Vin Credit
HPTunersHPTuners Vin Credit

please click HERE for a complete list of supported HPTuners vehicles and the amount of universal ...

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 More

Return 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 Policy

Shipping

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