Sport Tune Only for EFI Live Spade

Features:

• Gain up to +100 HP instantly
• Boost torque by +180 ft-lbs
• Delivers 400 HP, 680 ft-lbs torque
• Fastest acceleration with emissions intact
• 49-state legal performance tuning
• Custom calibration with 100+ tune changes
• Built for EFI Live Spade users
• No wiring or sensor hacking required
• Includes EFI Live license (with hardware)
• Firm, responsive shifting under load
• Eliminates dead pedal delay
• Ideal for future power upgrades

Unleash The Legal Limit Of LML Performance

If you're chasing the biggest performance jump you can legally get out of your 2013 Silverado or Sierra HD, this Sport Tune is exactly what you've been looking for. Designed for use with EFI Live Spade, this custom tune delivers a staggering increase of up to +100 horsepower and +180 ft-lbs of torque, putting you at a total of 400 HP and 680 ft-lbs of raw pulling power. It's the fastest way to wake up your Duramax without touching the emissions system, keeping you 49-state legal while still getting that neck-snapping throttle response and firm, confident shifting. The tune eliminates dead pedal lag completely, giving you instant acceleration when you want it most, whether you're punching it onto the freeway or pushing hard at a sanctioned event. What makes this tune even more appealing is its versatility for future upgrades. If you plan on building your truck out with a stronger fuel system, cold air intake, or transmission tuning, this tune is ready to scale with you. It’s built for drivers who don’t want to settle, who want the thrill and rush without the headaches that come from outdated or overly hacked-together setups. When you want real-world, seat-of-the-pants power with no gimmicks, this Sport Tune delivers.

Built With Smart Power And Real Drivability

This isn't just a generic tune with bumped-up numbers, it's a fully customized calibration designed specifically for the 2013 GM 2500HD and 3500HD trucks running the 6.6L Duramax LML. With over 100 fine-tuned changes made from the stock programming, it works seamlessly with the factory emissions system and supports smooth, reliable operation under a wide range of conditions. It’s made to work in harmony with EFI Live’s SPADE Autocal v3 hardware, which not only lets you flash updates and log engine data, but also allows tuning of multiple trucks when licensed separately. While it unlocks serious performance, it's also engineered for control, delivering a wider torque curve that helps hold power through long uphill pulls or while managing a heavy load. Although the Sport Tune isn’t recommended for daily towing without proper gauges and supporting mods, it's ideal for drivers who understand how to manage heat and monitor EGTs during spirited driving. Additionally, it plays well with ZF6 manual transmissions, offering power where it matters without upsetting shift timing or throttle feel. Whether you’re building your truck into a street-driven powerhouse or prepping it for future mods, this tune provides a strong foundation backed by world-class customer support and proven tuning expertise.

Fitment: 2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Requires EFI Live Spade (AutoCal v3) hardware
• EFILive license included when hardware is purchased from us
• License and serial/auth code needed if using existing hardware
• Not intended for daily towing without proper gauges
• Should be used with supporting mods for best performance
• Built for emissions-intact trucks (49-state legal)
• Not CARB approved for use in California
• Recommended for experienced drivers only
• Too much power for loaning to untrained drivers
• Ideal for competition use or private property driving
• Transmission tuning strongly recommended for full benefits
• Compatible with ZF6 manual transmission trucks