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Thunder Heat Performance - Thundermax 50 ECM Thunder Heat Performance - Thundermax 50 ECM
Thundermax 50 ECM
Retail Price: $899.95
Our Price: $809.96
You Save: $89.99
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Information and Details about the Thundermax 50 ECM
made by Thunder Heat Performance
  • California ARB-legal ECM that really performs while still meeting emission controls. It is a complete replacement management system for Delphi-equipped EFI H-D models
  • ThunderMax 50 is NOT a flash or an in-line signal modifier
  • Integral Autotune system utilizes wide band O2 sensors and works as a closed-loop control system to continuously self adjust and properly tune the motorcycle air/fuel ratio in all conditions
  • Easy installation: replace the factory ECM, install new O2 sensors and harness connector, select base map and enjoy your ride
  • Improves throttle response and increases horsepower and torque providing excellent rid ability while running smoother and cooler
  • Maintains excellent fuel economy
  • Includes ThunderMax 50 ECM, 2 wide band Bosh 5 wire O2 sensors and connecting harness, software, USB communication cable, comprehensive user’s manual, software, technical support and free updates
  • Software allows examination of vehicle diagnostic codes
  • 01-06 models will require the exhaust system to be equipped with or modified for 18mm O2 sensor bung ports
  • Made in USA

    NOTE: Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs

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    Part Number Status for Thundermax 50 ECM
    Options SKU Retail Price Our Price Availability
    (309-375) 08-10 Big Twin Models (exc.Touring) 49-5906 $899.95 $809.96 Usually Ships in 1-3 Business Days
    (309-378) 2008 FLT, FLH 49-5907 $989.95 $890.96 Currently Not Available for Order
    (309-373) 2006 FLT, FLH, 2006 FXST 49-5903 $899.95 $809.96 Usually Ships in 1-3 Business Days
    (309-370) 02-05 FLT, FLH; 01-05 FXST 49-5699 $899.95 $809.96 Currently Not Available for Order

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