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ThunderMax Thundermax 50 ARB-Legal Auto-Tune Module - 309-375

  • Part #: 209656
  • Manufacturer Part #: 309-375
This item is no longer available

Overview of ThunderMax Thundermax 50 ARB-Legal Auto-Tune Module - 309-375

  • Complete replacement engine management system for Delphi equipped EFI model Harleys
  • Improves throttle response and increases horsepower and torque
  • Maintains excellent fuel economy
  • Intregral auto-tune system utilizes wide band O2 sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle's air/fuel ratio in all conditions
  • Easy installation - replace the factory ECM, install new O2 sensors and harness and ride
  • Includes Thundermax 50 ECM, plug-in harbness, two wide band O2 sensors, software, communication USB cable, comprehensive user's manual, full technial support and free software updates
  • Software allows examination of vehicle diagnostic codes
  • Made in U.S.A.s

NOTE: Fits models listed with 96 in. engine

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

NOTE: C.A.R.B. EO #s D-644, K-001, K-001-1, K-001-2.

This item ships 3-4 business days after order is processed

Specs for ThunderMax Thundermax 50 ARB-Legal Auto-Tune Module - 309-375

Type Fuel Injection Module
Units Each
Weight 2.85 lbs

Specs for ThunderMax Thundermax 50 ARB-Legal Auto-Tune Module - 309-375

Type Fuel Injection Module
Units Each
Weight 2.85 lbs

Fitment for ThunderMax Thundermax 50 ARB-Legal Auto-Tune Module - 309-375

See if this part fits your ride

Part 209656 fits the following machines

Harley-Davidson
  • 2010 Harley-Davidson Dyna Fat Bob - FXDF
  • 2009 Harley-Davidson Dyna Fat Bob - FXDF
  • 2008 Harley-Davidson Dyna Fat Bob (EFI) - FXDF
  • 2009 Harley-Davidson Dyna Low Rider - FXDL
  • 2008 Harley-Davidson Dyna Low Rider (EFI) -FXDL
  • 2010 Harley-Davidson Dyna Street Bob - FXDB
  • 2009 Harley-Davidson Dyna Street Bob - FXDB
  • 2008 Harley-Davidson Dyna Street Bob (EFI) - FXDB
  • 2010 Harley-Davidson Dyna Super Glide - FXD
  • 2009 Harley-Davidson Dyna Super Glide - FXD
  • 2008 Harley-Davidson Dyna Super Glide (EFI) - FXD
  • 2011 Harley-Davidson Dyna Super Glide Custom - FXDC
  • 2010 Harley-Davidson Dyna Super Glide Custom - FXDC
  • 2009 Harley-Davidson Dyna Super Glide Custom - FXDC
  • 2008 Harley-Davidson Dyna Super Glide Custom (EFI) - FXDC
  • 2010 Harley-Davidson Dyna Wide Glide - FXDWG
  • 2008 Harley-Davidson Dyna Wide Glide (EFI) - FXDWG
  • 2010 Harley-Davidson Heritage Softail Classic - FLSTC
  • 2009 Harley-Davidson Heritage Softail Classic - FLSTC
  • 2008 Harley-Davidson Heritage Softail Classic (EFI) - FLSTC
  • 2010 Harley-Davidson Softail Cross Bones - FLSTSB
  • 2009 Harley-Davidson Softail Cross Bones - FLSTSB
  • 2008 Harley-Davidson Softail Cross Bones - FLSTSB
  • 2010 Harley-Davidson Softail Custom - FXSTC
  • 2009 Harley-Davidson Softail Custom - FXSTC
  • 2008 Harley-Davidson Softail Custom (EFI) - FXSTC
  • 2010 Harley-Davidson Softail Deluxe - FLSTN
  • 2009 Harley-Davidson Softail Deluxe - FLSTN
  • 2008 Harley-Davidson Softail Deluxe (EFI) - FLSTN
  • 2010 Harley-Davidson Softail Fat Boy - FLSTF
  • 2009 Harley-Davidson Softail Fat Boy - FLSTF
  • 2008 Harley-Davidson Softail Fat Boy (EFI) - FLSTF
  • 2010 Harley-Davidson Softail Fat Boy Lo - FLSTFB
  • 2009 Harley-Davidson Softail Night Train - FXSTB
  • 2008 Harley-Davidson Softail Night Train (EFI) - FXSTB
  • 2009 Harley-Davidson Softail Rocker - FXCW
  • 2008 Harley-Davidson Softail Rocker (EFI) - FXCW
  • 2010 Harley-Davidson Softail Rocker C - FXCWC
  • 2009 Harley-Davidson Softail Rocker C - FXCWC
  • 2008 Harley-Davidson Softail Rocker C (EFI) - FXCWC
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Instructions and Manuals for ThunderMax Thundermax 50 ARB-Legal Auto-Tune Module - 309-375

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