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ThunderMax ECM With Auto Tune Closed Loop System

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Everyday Low Price: $899.99

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J&P Part: 126-885


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ThunderMax ECM With Auto Tune Closed Loop System

• Cable throttle CAN BUS

• Self-adjusting system combines the benefits of the ThunderMax ECM and the Auto-Tune Module for optimum performance

• Mount the ThunderMax ECM with Auto-Tune module in place of the factory ECM -- it plugs into the existing harness

• Auto-tune adjusts itself for component and exhaust changes -- just install the new parts, download a map, and ride

• Simple adjustable rev limit, idle, speedo calibration and decel pop control settings

• System includes ThunderMax ECM and Auto-Tune Module, plug-in harness and two wide band sensors, SmartLink Software and communication cable, Quick-Start Easy Install and Basic User's Manual, technical support and free software and updates at

Made In The USA This product was proudly made in the USA

Important Product Notes

Product Specs

Manufacturer Part Number: 309-382

Open or Closed Loop: Closed

Sold in Units: Each

With/Without 02 Sensor: With


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Harley-Davidson® Models

Sportster 1200 Custom XL1200C : 2014
Sportster 1200 Custom XL1200CA : 2014
Sportster 1200 Custom XL1200CB : 2014
Sportster 1200 Custom XL1200CP : 2014
Sportster 1200 Forty-Eight XL1200X : 2014
Sportster 1200 Seventy-Two XL1200V : 2014
Sportster 1200 SuperLow XL1200T : 2014
Sportster 883 Iron XL883N : 2014
Sportster 883 Roadster XL883R : 2014
Sportster 883 SuperLow XL883L : 2014

Customer Reviews

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Important Product Notes

Not legal for sale or operation in the state of California. Check with the U.S. EPA and your respective state and local regulations to confirm emission compliance. This item cannot be returned once the package is opened. Manufacturing defects must be addressed through the manufacturer directly.

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