Sport Tune Only for EFI Live Spade

Features:

• Adds up to +100 HP and +180 ft-lbs
• Emissions intact and 49 state legal
• Delivers fastest possible acceleration
• Firm, responsive shifting feel
• No dead pedal hesitation
• Perfect for weekend racing or fun driving
• Ideal for trucks being built for power
• Custom tuning with 100+ calibration changes
• Cleaner power than traditional box tuners
• Must monitor EGT when towing
• Works with EFI Live AutoCal v3
• Recommended with transmission tuning upgrades

Turn Everyday Driving Into A Full Throttle Experience

If you’re chasing the biggest grin your Duramax can deliver, the Sport Tune from DuramaxTuner.com is the key to unlocking it. Designed for 2015 GM 2500HD and 3500HD trucks, this tune packs a serious punch with gains of up to +100 HP and +180 ft-lbs of torque. The result is sharper throttle response, firmer shifts, and a driving experience that makes your truck feel lighter, faster, and more alive. It’s the most power you can get while still keeping emissions equipment intact and staying 49-state legal. Perfect for enthusiasts who want real power without the old-school headaches of hardwired mods. Whether you're launching off the line or just enjoying a weekend cruise, the Sport Tune delivers a rush that’ll make you fall in love with your truck all over again. Just keep in mind, it’s not built for heavy towing without the proper gauges and supporting upgrades. This is a tune meant for fun, and it absolutely delivers on that promise.

Engineered For Power Without Compromising Driveability

This custom Sport Tune includes more than 100 precise calibration changes from stock, developed by the team at DuramaxTuner.com using years of real-world testing. It’s built for drivers who want more performance out of their LML without deleting emissions systems or cutting corners. With enhanced air-fuel ratio control and cleaner combustion, you get more power with less soot, and no need to hack into sensors or wiring. It requires EFI Live AutoCal v3 hardware to flash and manage tunes, and works best when paired with transmission tuning for optimal shift timing and drivability. While this tune offers impressive gains, it’s not designed for regular towing or lending your truck to inexperienced drivers. For safety and reliability, proper supporting mods like a lift pump and upgraded CP4 are strongly recommended. If you're serious about performance and know your truck inside and out, this tune gives you the tools to push it further without sacrificing control.

Fitment: 2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• This tune is 49-state legal and keeps emissions equipment intact.
• Sport Tune is designed for maximum horsepower and torque gains.
• Not recommended for towing unless proper gauges are installed.
• Requires EFI Live AutoCal V3 hardware to flash the tune.
• Too much power for inexperienced drivers or loaning out your truck.
• Best suited for drivers planning future performance upgrades.
• Using Sport Tune as a daily driver without supporting mods may cause issues.
• Supporting mods may include lift pump, upgraded CP4, cold air intake, and TCM tuning.
• Recommended to run Sport Tune as part of Switch On The Fly for safer use.
• Custom tuning includes 100+ changes from stock calibration for better performance.
• DuramaxTuner.com provides support and does not require hacking into sensors or wiring.
• Excessive power output can lead to damage if not managed responsibly.