Light Tow Tune Only for EFI Live Spade

Features:

• Designed for towing under 8,000 lbs
• +55 RWHP and +99 ft-lbs torque gain
• Emissions intact and 50-state legal
• Maintains factory turbo brake functionality
• Improves throttle response and drivability
• SMART EGT Control protects engine temps
• Revised pedal sensitivity for smoother control
• More power and less soot than box tuners
• Over 100 calibration changes from stock
• No wire cutting or sensor mods required
• Ideal for seasonal towing and daily use
• Trusted custom tuning from DuramaxTuner.com

Get The Power You Need Without Going Overboard

If you tow a few thousand pounds here and there but still want better throttle response, smoother acceleration, and a little extra punch, this Light Tow Tune is made for you. It’s designed specifically for your 2015 Duramax and gives you just the right amount of added performance without going too far. Whether you're pulling a small boat, a couple of ATVs, or a work trailer, you’ll notice the difference the moment you press the pedal. With up to +55 RWHP and +99 ft-lbs of torque, your truck feels more responsive but still completely manageable for everyday use. Backing up with a trailer gets easier, shifting improves, and overall drivability just feels more natural. Best of all, it’s 50-state legal and keeps all emissions equipment fully intact, so there’s no need to worry about inspections or compliance. If you’ve been wanting your truck to feel the way it should have from the factory, this tune delivers without any drama.

A Clean Reliable Calibration That Works When You Tow

This Light Tow Tune is built for 2015 Silverado and Sierra HD trucks running the 6.6L Duramax LML, and it’s ideal for drivers who regularly tow under 8,000 lbs. It’s fully emissions intact and 50-state legal under E.O. No. D-845, so you can run it worry-free across the country. The calibration includes over 100 changes from stock and was developed to safely wake the truck up without pushing it beyond factory limitations. It features SMART EGT Control, which automatically manages exhaust gas temperatures during sustained pulls, and built-in air-fuel ratio limits to help control soot. The tune also retains full turbo brake functionality and improves pedal sensitivity for better low-speed maneuvering with a trailer. No cutting wires, no sensor splicing, and no guesswork, just a clean flash through your EFI Live SPADE device. For trucks with larger tires or drivetrain modifications, pairing this tune with TCM tuning ensures your transmission shifts stay in sync with the added power.

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

Notes:

• Compatible with 2015 GM 2500HD/3500HD 6.6L Duramax LML
• This is a tune-only product, no hardware included
• EFI Live SPADE (AutoCal V3) device is required to install
• EFiLive license required if using existing hardware
• You must provide Serial Number and Auth Code for existing SPADE
• Designed specifically for towing under 8,000 lbs
• This is a 50-state legal, emissions intact tune
• No sensor modifications or wire cutting required
• Custom SMART EGT Control manages exhaust temps automatically
• Ideal for daily drivers and light seasonal towing
• Recommended to pair with TCM tuning for optimized shifting
• World-class phone support available from DuramaxTuner.com