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Motor Ops AutoCal & 4" Downpipe Back w/ Muffler | 6.6L GM Duramax LML 2015+


This performance package includes the Motor Ops Autocal & Flo~Pro 4" Downpipe Back with Muffler for 2015+ 6.6L GM Duramax 2500/3500 LML applications.

  • Deletes the DPF, CAT, EGR, & DEF without trouble codes
  • Comes Pre-Loaded with 5 Power Levels - Up to +150HP
  • Easy, Plug and Play Install
  • Important Note: Exhaust fits EC-CC/SB-LB-Dually
Availability: Availability:AutoCals are tuned to your specific vehicle after purchase, please allow 2-3 business days for order fulfillment.
Pricing: $1,299.00

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Motor Ops AutoCal | 2011-2016 6.6L GM Duramax LML

Motor Ops has spent countless man-hours fine tuning the calibrations on their AutoCal device so that your 2011-2015 6.6L GM Duramax LML performs to its highest potential while still maintaining excellent driveability, heat, and smoke control. This product comes pre-loaded with five tunes and all of the hardware and cables required for installation.

Power Levels

  • Refined Stock: +0HP | Stock power level, refined timing and fuel curve strategy for mileage
  • Heavy Tow: +40HP | Rear wheel horsepower that you can use up the GVWR of the truck
  • Light Tow: +80HP | Rear wheel horsepower and the ability to maintain transmission health and low EGTs with loads up to 8,000 lbs
  • Sport Economy: +120HP | Best balance of power, reliability and mileage on an unloaded truck. This is the highest level we recommend without a lift pump
  • Race: +150 HP | When used in conjunction with a lift pump, this tune will get the most fuel possible out of the factory pump

FLO~PRO 4" Downpipe Back with Muffler | 871

  • Fits 2015+ 6.6L GM Duramax 2500/3500 LML EC-CC/SB-LB-Dually
  • No Bungs, With Muffler
  • 100% Aluminized Kit
  • Deletes Diesel Particulate Filter
  • Eliminates Pyrometers & Air Lines
  • Increases Horsepower
  • Increases Torque
  • Increases Fuel Efficiency
  • 100% Satisfaction Guaranteed
  • Bolt-On kit w/ All Necessary Pieces

WARNING! These products are capable of disabling emissions equipment. If using DPF/EGR removed tuning, these high performance products are intended SOLELY for offroad use or closed-course racing use.

Shipping Information

  • Item Requires Shipping
  • 33.0 lbs.
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