Optimized Stock Tune Only for EFI Live Spade

Features:

• Emissions intact with factory systems retained
• No significant increase in peak horsepower
• Smoother drive feel with reduced smoke output
• Ideal for cautious or first-time tuners
• Perfect when others drive your truck
• Helps diagnose mechanical issues more safely
• Supports custom intake or minor upgrades
• Works well with 68RFE transmission tuning
• Allows custom tire size and TPMS calibration
• Uses EFI Live AutoCal V3 for flashing
• Unlimited tune updates for your specific truck
• Tune built specifically for 2018 Cummins trucks

Keep Your Truck Calm Clean And Ready For Anything

Not every driver is chasing big horsepower, and that’s exactly where the Optimized Stock Tune from DuramaxTuner shines. If you own a 2018 RAM 6.7L Cummins and want better drivability without pushing the limits, this is the safe, smart upgrade. It’s perfect for daily driving, lending out your truck, or staying emissions compliant while making small improvements behind the scenes. You won’t feel a big surge of power, but you will notice smoother pedal response and reduced smoke output, especially if you’ve installed a cold air intake or other mild upgrades. This tune also works well if you're troubleshooting an issue and want a cleaner baseline to work from. For anyone new to tuning or hesitant about big changes, this is a great first step that won't compromise reliability. It’s a peace-of-mind solution for owners who value control, consistency, and clean performance without going overboard.

Built To Support Stock Trucks And Safe Upgrades

The Optimized Stock Tune is a subtle but effective calibration for 2018 RAM 2500 and 3500 6.7L Cummins owners who want to retain stock-like performance while adding stability and refinement. Developed by DuramaxTuner, this emissions-intact tune leaves your factory systems untouched while applying over 100 behind-the-scenes adjustments to throttle response, air-fuel ratios, and drivability. It’s a great option for trucks running minor bolt-ons like upgraded intakes, or for drivers looking to pair engine tuning with 68RFE transmission tuning. The tune minimizes soot production and sharpens pedal sensitivity, making your truck feel cleaner and more predictable under light throttle. It also helps eliminate TPMS issues when adjusting for aftermarket tire sizes. No power gains are the point here, this tune exists to give you control and consistency when you don’t need the extra grunt. Whether you're preparing for future upgrades or just need a solid tune for everyday use, this is a stable foundation to build from.

Fitment: 2018 RAM 2500/3500 6.7L Cummins

Notes:

• Designed for 2018 RAM 2500/3500 6.7L Cummins
• Emissions equipment must remain installed and operational
• No noticeable increase in horsepower or torque
• Recommended for first-time tuners or cautious users
• Ideal for troubleshooting mechanical issues safely
• Great option when someone else is driving the truck
• Supports minor upgrades like custom intakes
• Works well with 68RFE transmission tuning
• Does not replace light or heavy tow tunes
• Requires EFI Live AutoCal V3 to flash the tune
• Each additional truck needs a separate EFI Live license
• Custom TPMS calibration available for tire size changes