Street Tune Only for EFI Live Spade

Features:

• 50 State Legal with EO Number D-845
• +110 RWHP and +198 ft-lbs Torque
• Emissions equipment remains fully intact
• No dead pedal feeling when accelerating
• Faster throttle response and acceleration
• Factory turbo-brake feature remains active
• Smooth power curve for daily driving
• Designed for trucks with stock hardware
• Over 100 custom calibration changes
• More power and less soot than box tuners
• Requires EFI Live SPADE Autocal v3
• TCM tuning recommended for best results

Turn Your Daily Driver Into Something You Look Forward To

If your 2013 Duramax LML has been feeling a little too ordinary lately, this Street Tune is exactly what it needs. Designed for drivers who want a stronger, more responsive truck without sacrificing emissions compliance, this custom tune delivers a noticeable bump in both horsepower and torque. You’ll feel the difference every time you hit the throttle, no more dead pedal, just crisp power that makes the truck feel lighter and more fun to drive. Whether you’re running errands or heading out for a weekend cruise, the smooth power curve and refined acceleration make daily driving way more enjoyable. It’s ideal for truck owners who want that added punch without having to tear into emissions equipment or stress about reliability. Plus, it retains the factory turbo braking, which comes in handy when you're coasting downhill or slowing with a trailer. It’s the perfect match for drivers who don’t tow heavy often but still want their truck to feel like it woke up on the right side of the bed. And if you’ve driven higher horsepower diesels before, you’ll appreciate getting that thrill back.

Built For Power With The Safety Your Truck Needs

This Street Tune offers a custom calibration built specifically for the 2013 6.6L Duramax LML and designed to be both powerful and reliable. With gains of +110 RWHP and +198 ft-lbs of torque, this tune unlocks serious performance while staying within safe limits for your stock engine and emissions systems. It’s 50-state legal and emissions intact, so you can enjoy the extra power without worry. The throttle mapping has been revised to eliminate dead pedal issues and deliver smooth, consistent response under your foot. More than 100 adjustments from stock are packed into the calibration, including air-fuel ratio control for reduced soot output. While it’s not built for heavy towing, this tune shines for daily drivers, light towing, or anyone looking to get the most out of their truck without pushing it too far. Paired with the EFI Live SPADE and optional TCM tuning, it delivers smoother shifts and improved drivability across the board. This is a smart upgrade for anyone seeking a dependable, emissions-friendly tune with real-world benefits.

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

Notes:

• Not for heavy or frequent towing.
• High EGTs from abuse can cause damage.
• Best for daily drivers or light towing.
• 50 State Legal with emissions equipment intact.
• Safe power increase while keeping OEM reliability.
• Switch on the Fly is better for towing needs.
• SPADE / AutoCal V3 is required to flash tune.
• Existing SPADE users need a new license.
• Over 100 calibration changes from stock.
• Better drivability and throttle than box tuners.
• TCM tuning recommended for best shift quality.
• Ideal for stock or lightly modified trucks.