Diesel Tuner EGR/DPF/DEF Delete 2011-2016 LML 6.6L Duramax All-in-One Kit | SPELAB

Unleash the true, untapped potential of your 2011-2016 Chevy/GMC LML Duramax with the Mini Maxx V2 Tuner and EGR/DPF/DEF Delete Bundle. This comprehensive kit is engineered to eliminate the most restrictive and problematic factory emissions systems, resulting in dramatic gains in horsepower, torque, and fuel economy. Protect your engine from harmful carbon buildup, prevent costly future repairs, and enjoy a smoother, more responsive driving experience with the proven performance of the Mini Maxx V2.

Key Features

• Complete Emissions Delete Solution: Fully deletes the restrictive DPF (Diesel Particulate Filter), problematic EGR (Exhaust Gas Recirculation) system, and failure-prone DEF (Diesel Exhaust Fluid) / SCR (Selective Catalytic Reduction) systems.

• Significant Performance Gains: Unlock substantial increases in horsepower and torque with multiple, customizable power level tunes pre-loaded on the Mini Maxx V2 tuner.

• Improved Fuel Economy: Experience up to a 20-30% improvement in MPG by removing exhaust backpressure and optimizing engine efficiency.

• Enhanced Engine Longevity: Eliminate soot and carbon buildup in the intake and oil, reducing engine wear and preventing common LML issues like clogged EGR coolers.

• User-Friendly Mini Maxx V2 Tuner: Features a vibrant color screen, simple push-button controls, and allows for easy switching between power levels, tire size adjustments, and reading/clearing diagnostic trouble codes.

• Prevents Costly Repairs: Avoid the high expense of replacing failed DPF filters, DOC catalysts, DEF pumps, or EGR components down the road.

• Reduced EGTs & Backpressure: Lower Exhaust Gas Temperatures and drastically reduce turbo backpressure for improved turbo spool and overall engine health, especially under heavy load or towing.

What's in the Box

• Tuner Delete
  
• EGR Delete Kit
• DPF Delete Race Pipe
  
• 5'' Downpipe Back Duals DPF Delete

⚠️Note: Accessories vary by order and may not include all listed.

⚠️Tuner - Click here for all known issues BEFORE ordering 

Installation

 2011-2016 LML 6.6L Duramax EGR Delete Instruction

2011-2015 LML 6.6L 4'' DPF Race Intallation Instruction

Mini Maxx V2 Intallation Instruction

• 2011-2016 Chevy /GMC Duramax Diesel LML.Silverado and Sierra pickup trucks

2015 or 2015.5? 

2015 is a split year. The 2011-2015 downpipe is secured to the turbo-direct pipe using a V-band style clamp. The 2015.5-2016 uses a 3 bolt flange style connection. Be sure to visually verify the clamp style your truck is equipped with.

FAQ

Q1: What’s included in the SPELAB LML full delete kit?
A1: Our LML full delete kit includes everything needed to fully delete your 2011–2016 LML Duramax: a Mini Maxx V2 Tuner, LML EGR delete kit, LML DPF delete pipe, and 5'' downpipe-back dual exhaust system. It’s an all-in-one solution for improved performance and engine longevity.

Q2: Is this LML delete kit compatible with both Chevy Silverado and GMC Sierra?
A2: Yes, this LML delete kit fits all 2011–2016 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L LML Duramax diesel engine.

Q3: How can I tell if I have a 2015 or 2015.5 LML Duramax?
A3: 2015 is a split model year.

• 2011–2015 trucks use a V-band clamp on the downpipe.

• 2015.5–2016 use a 3-bolt flange connection.
  Visually inspect your truck’s turbo downpipe clamp before ordering a 2015 LML delete kit to ensure correct fitment.

Q4: Does the Mini Maxx V2 Tuner come preloaded with delete tunes?
A4: Yes, the Mini Maxx V2 Tuner comes preloaded with delete tunes that support DPF, EGR, and DEF removal. It offers multiple power levels and built-in diagnostics, making it ideal for use with a LML full delete kit.

Q5: Is this LML delete kit legal in Canada?
A5: No, this kit is for off-road and race use only. It's not street-legal in emissions-regulated areas like Canada or California. Please confirm your local regulations before ordering a LML delete kit Canada.

Q6: Will installing this kit trigger a check engine light (CEL)?
A6: No, as long as you flash the delete tune with the Mini Maxx V2 before removing any emissions equipment. This disables related sensors and prevents CELs during or after installation of your LML DPF delete kit.

Q7: Can I daily drive my LML Duramax after the full delete?
A7: Yes! Many users daily their trucks with a LML delete kit installed. You’ll notice better throttle response, increased MPG, and reduced regen-related issues. Just ensure all deletes are done correctly and understand it's for off-road use only.

Q8: What kind of power gains can I expect from this kit?
A8: With proper installation and tuning, a LML full delete kit can add 50–80+ horsepower, improve torque delivery, and lower exhaust gas temperatures—especially when paired with the included upgraded exhaust system.

Q9: Is any custom tuning required beyond the Mini Maxx V2?
A9: No custom tuning is needed. The Mini Maxx V2 Tuner is preloaded with proven delete tunes. It works right out of the box with SPELAB’s LML EGR delete kit and DPF delete pipe—no extra files or shops required.

Q10: How long does it take to install the full LML delete kit?
A10: Installation time depends on experience:

• DPF pipe + tuner: 1.5–2 hours

• Full EGR/DPF/DEF delete: 4–6 hours
  

• We recommend setting aside a full day and using a lift if possible for easier exhaust work.