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Thundermax ECM With Integral Auto Tune System For 2025 Harley-Davidson M8 Softail
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For 2025 Harley-Davidson M8 Softail
Westend Motorsports
$1,170.95
Thundermax Fuel Tuner With Auto Tune For '21-24 Harley Davidson Softail Models (Click For Fitment)
Westend Motorsports
$1,170.95
Thundermax Fuel Tuner With Auto Tune For '21-24 Harley Davidson Softail Models (Click For Fitment)
Westend Motorsports
$1,088.95
Thundermax ECM With Auto-Tune For '23.5-Up Harley Davidson Touring Center Cooled Models For Both VVT And Non VVT Engines
Westend Motorsports
$1,088.95
Thundermax ECM With Auto-Tune For '23.5-Up Harley Davidson Touring Center Cooled Models For Both VVT And Non VVT Engines
Westend Motorsports
$1,088.95
Thundermax ECM W/ Integral Auto-Tune System For '11 FXST/FLST Models
Westend Motorsports
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Thundermax ECM W/ Integral Auto-Tune System For '11 FXST/FLST Models
Westend Motorsports
$1,088.95
Thundermax ECM W/ Integral Auto-Tune System For Harley Davidson XL Models '14-Up
Westend Motorsports
$1,088.95
Thundermax ECM W/ Integral Auto-Tune System For Harley Davidson XL Models '14-Up
Westend Motorsports
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Thundermax ECM With Auto-Tune For '16-17 Harley Davidson Softail Models
Westend Motorsports
$1,088.95
Thundermax ECM With Auto-Tune For '16-17 Harley Davidson Softail Models
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '14-16 Touring And Trike Models
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '14-16 Touring And Trike Models
Westend Motorsports
$1,011.95
Thundermax ECM W/ Integral Auto-Tune System For '08-10 Harley Davidson FXCW/C, '04-11 FXD/FXDWG, '09 SE Softail, '10-13 XL Models
Westend Motorsports
$1,011.95
Thundermax ECM W/ Integral Auto-Tune System For '08-10 Harley Davidson FXCW/C, '04-11 FXD/FXDWG, '09 SE Softail, '10-13 XL Models
Westend Motorsports
$1,088.95
Thundermax ECM W/ Auto-Tune Closed Loop System For '08-13 FL Touring Models And '09-13 Trike
Westend Motorsports
$1,088.95
Thundermax ECM W/ Auto-Tune Closed Loop System For '08-13 FL Touring Models And '09-13 Trike
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '18-20 Harley-Davidson M8 Softail
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '18-20 Harley-Davidson M8 Softail
Westend Motorsports
$1,088.95
Thundermax Thundermax ECM With Auto-Tune Closed Loop System - 309-362 For Select Harley-Davidson Motorcycles
Dennis Kirk
Free shipping
$1,088.95
Thundermax Thundermax ECM With Auto-Tune Closed Loop System - 309-362 For Select Harley-Davidson Motorcycles
Dennis Kirk
$1,088.95
Thundermax Thundermax ECM With Integral Auto Tune System - 309-466 For 2002-2017 Harley-Davidson V-Rod Motorcycles
Dennis Kirk
Free shipping
$1,088.95
Thundermax Thundermax ECM With Integral Auto Tune System - 309-466 For 2002-2017 Harley-Davidson V-Rod Motorcycles
Dennis Kirk
$1,115.95
Thundermax Electronically Commutated Motor W/Auto Tune - 309-591 For 2021-2025 Harley-Davidson Touring Motorcycles
Dennis Kirk
Free shipping
$1,115.95
Thundermax Electronically Commutated Motor W/Auto Tune - 309-591 For 2021-2025 Harley-Davidson Touring Motorcycles
Dennis Kirk
$1,088.95
Thundermax - Performance ECM's With Integral Autotune System (See Desc. For Fitment) '16-'17 FXS/FXST/FLS/FLST Models '14-'15 FXSBSE/FLSTNSE
Deadbeat Customs
$1,088.95
Thundermax - Performance ECM's With Integral Autotune System (See Desc. For Fitment) '16-'17 FXS/FXST/FLS/FLST Models '14-'15 FXSBSE/FLSTNSE
Deadbeat Customs
$1,115.95
Thundermax ECM Autotune Module For '21-25 Harley Davidson Touring Models (W/O Center Cool Motor) Excludes 2023-2024 CVO (VVT)
Westend Motorsports
$1,115.95
Thundermax ECM Autotune Module For '21-25 Harley Davidson Touring Models (W/O Center Cool Motor) Excludes 2023-2024 CVO (VVT)
Westend Motorsports
$1,088.95
Thundermax Engine Control Module Kit With Integral Auto Tune For '02-17 Harley Davidson V-Rod Models
Westend Motorsports
$1,088.95
Thundermax Engine Control Module Kit With Integral Auto Tune For '02-17 Harley Davidson V-Rod Models
Westend Motorsports
ThunderMax ECM Performance Auto Tuner For Harley Softail 2018-2020
ThunderMax ECM Performance Auto Tuner For Harley Softail 2018-2020
Feb 25, 2024
jpcycles.com
ThunderMax ECM Performance Auto Tuner For Harley 2014-2020
ThunderMax ECM Performance Auto Tuner For Harley 2014-2020
Feb 8, 2023
jpcycles.com
ThunderMax ECM Performance Auto Tuner For Harley Touring 2021-2023
ThunderMax ECM Performance Auto Tuner For Harley Touring 2021-2023
Feb 26, 2024
jpcycles.com
Thundermax Tune & Dyno Results On 2021 Harley Davidson Road King
8:02
Thundermax Tune & Dyno Results On 2021 Harley Davidson Road King
41K viewsFeb 11, 2022
YouTubeCycleSolutions
How To Program a Thunderheart Thundermax Auto Tune Tutorial Harley Davidson Fuel Management System
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How To Program a Thunderheart Thundermax Auto Tune Tutorial H…
56.1K viewsDec 13, 2019
YouTubeCycleSolutions
How to auto tune your Harley Davidson Without a Dyno! Jake from Thunder Max EFI explains
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How to auto tune your Harley Davidson Without a Dyno! Jake fr…
23.9K viewsApr 27, 2018
YouTubeCycleDrag
NEW ThunderMax Auto Tune Wave Tune for 2014 Harley Touring DYNO TEST
2:22
NEW ThunderMax Auto Tune Wave Tune for 2014 Harley Touring DYN…
22.9K viewsJan 28, 2014
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ThunderMax Auto Tune 309-591 for 2021-Newer Harley-Davidson Tour…
Sep 27, 2021
cyclesolutions.com
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Basic Set Up for the ThunderMax EFI System
170.8K viewsJun 30, 2009
YouTubeThunderMaxAV
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DYNO RUN 2013 Harley 110 CVO w/ D&D Fat Cat & ThunderMax Auto T…
28.2K viewsApr 16, 2015
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ThunderMax is Performance!
101.1K viewsDec 5, 2011
YouTubeThunderMaxAV
33:19
ThunderMax iRIDE Active Suspension install on 2021 Harley …
9.4K viewsAug 25, 2021
YouTubeThunderMax EFI
2:39
ThunderMax 309-360 Harley Davidson auto tuning ECU gives a…
2K viewsApr 4, 2021
YouTubeCustom Cruisers Limited
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Thundermax How AutoTune Works • JPCYCLES.COM
25.9K viewsNov 5, 2009
YouTubeJ&P Cycles
30:50
Tune Your Own ThunderMax EFI (Step-by-Step DIY Harley Guide), #…
36.9K viewsFeb 17, 2025
YouTubeSamson V-Twin, Harley Davidson Specialist
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Harley THUNDERMAX Install! 131ci Stage 4 🔥
105.2K viewsOct 16, 2020
YouTubeBLOCKHEAD
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ThunderMax Initialization Process for Harley-Davidson
38.3K viewsJun 20, 2017
YouTubeThunderMax EFI
3:34
Thundermax Auto Tune - Auto Map Tutorial (2 of 2)
72.8K viewsAug 15, 2013
YouTubeCycleSolutions
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How to Load a Thunder Max Model in 5 Minutes - Trask Performance
20.1K viewsDec 12, 2016
YouTubeTrask Performance
5:19
ThunderMax AutoSupport Feature
21.7K viewsDec 3, 2010
YouTubeThunderMaxAV
4:54
Best Tuner Options For Harley Davidson Motorcycles in 2025 - Dy…
9.5K views3 months ago
YouTubeTucker Speed
13:21
ThunderMax ECM Install for Harley Davidson 2021-Up Touring
14.1K viewsApr 21, 2022
YouTubeThunderMax EFI
1:54
Zippers ThunderMax Harley Davidson Auto Tune ECM ECU up…
4K viewsAug 23, 2015
YouTubeCustom Cruisers Limited
ThunderMax Auto Tune 309-588 for 2017 - 2020 Harley Touring Models
Mar 15, 2024
cyclesolutions.com
9:50
ThunderMax Install for SOFTAIL® Models
55.8K viewsJul 6, 2009
YouTubeThunderMaxAV
0:50
Demonstrating Low Idle
37.1K viewsJun 21, 2011
YouTubeThunderMaxAV
3:09
Step 5 Thunder max auto tune dyno test by Cyclesolutionsonline.com
33.1K viewsJun 25, 2009
YouTubeCycleSolutions
1:50
ThunderMax TBW: How to Initialize the ThunderMax TBW
21.9K viewsOct 29, 2010
YouTubeThunderMaxAV
18:43
How to tune a Thundermax on a Harley Davidson fuel injection - Kr…
33.4K viewsJun 26, 2024
YouTubeKRUESI ORIGINALS
3:38
ThunderMax Marelli EFI Throttle Adjustment
79.6K viewsJun 29, 2016
YouTubeThunderMax EFI
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Shop ThunderMax Auto Tune

Sponsored
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$1,115.95
Thundermax ECM Autotune Module For '21-25 Harley Davidson Touring Models (W/O Center Cool Motor) Excludes 2023-2024 CVO (VVT)
Westend Motorsports
$1,115.95
Thundermax ECM Autotune Module For '21-25 Harley Davidson Touring Models (W/O Center Cool Motor) Excludes 2023-2024 CVO (VVT)
Westend Motorsports
$1,088.95
Thundermax Thundermax ECM With Integral Auto Tune System - 309-466 For 2002-2017 Harley-Davidson V-Rod Motorcycles
Dennis Kirk
Free shipping
$1,088.95
Thundermax Thundermax ECM With Integral Auto Tune System - 309-466 For 2002-2017 Harley-Davidson V-Rod Motorcycles
Dennis Kirk
$1,115.95
Thundermax Electronically Commutated Motor W/Auto Tune - 309-591 For 2021-2025 Harley-Davidson Touring Motorcycles
Dennis Kirk
Free shipping
$1,115.95
Thundermax Electronically Commutated Motor W/Auto Tune - 309-591 For 2021-2025 Harley-Davidson Touring Motorcycles
Dennis Kirk
$1,088.95
Thundermax - Performance ECM's With Integral Autotune System (See Desc. For Fitment) '16-'17 FXS/FXST/FLS/FLST Models '14-'15 FXSBSE/FLSTNSE
Deadbeat Customs
$1,088.95
Thundermax - Performance ECM's With Integral Autotune System (See Desc. For Fitment) '16-'17 FXS/FXST/FLS/FLST Models '14-'15 FXSBSE/FLSTNSE
Deadbeat Customs
$1,088.95
Thundermax Engine Control Module Kit With Integral Auto Tune For '02-17 Harley Davidson V-Rod Models
Westend Motorsports
$1,088.95
Thundermax Engine Control Module Kit With Integral Auto Tune For '02-17 Harley Davidson V-Rod Models
Westend Motorsports
$1,088.95
Thundermax ECM Performance Auto Tuner For Harley Touring 1999-2001 OS
J&P Cycles
$1,088.95
Thundermax ECM Performance Auto Tuner For Harley Touring 1999-2001 OS
J&P Cycles
$1,115.95
Thundermax ECM Performance Auto Tuner For Harley Touring 2021-2023 OS
J&P Cycles
$1,115.95
Thundermax ECM Performance Auto Tuner For Harley Touring 2021-2023 OS
J&P Cycles
$1,088.95
Thundermax ECM Performance Auto Tuner For Harley FLHX / FLTRX 2024-2026 OS
J&P Cycles
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Thundermax ECM Performance Auto Tuner For Harley FLHX / FLTRX 2024-2026 OS
J&P Cycles
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Thundermax ECM Performance Auto Tuner For Harley Touring 2014-2016 OS
J&P Cycles
$1,088.95
Thundermax ECM Performance Auto Tuner For Harley Touring 2014-2016 OS
J&P Cycles

Shop ThunderMax Auto Tune

Sponsored
About our ads
$1,088.95
Thundermax ECM With Integral Auto Tune System For 2025 Harley-Davidson M8 Softail
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For 2025 Harley-Davidson M8 Softail
Westend Motorsports
$1,170.95
Thundermax Fuel Tuner With Auto Tune For '21-24 Harley Davidson Softail Models (Click For Fitment)
Westend Motorsports
$1,170.95
Thundermax Fuel Tuner With Auto Tune For '21-24 Harley Davidson Softail Models (Click For Fitment)
Westend Motorsports
$1,088.95
Thundermax ECM With Auto-Tune For '23.5-Up Harley Davidson Touring Center Cooled Models For Both VVT And Non VVT Engines
Westend Motorsports
$1,088.95
Thundermax ECM With Auto-Tune For '23.5-Up Harley Davidson Touring Center Cooled Models For Both VVT And Non VVT Engines
Westend Motorsports
$1,088.95
Thundermax ECM W/ Integral Auto-Tune System For '11 FXST/FLST Models
Westend Motorsports
$1,088.95
Thundermax ECM W/ Integral Auto-Tune System For '11 FXST/FLST Models
Westend Motorsports
$1,088.95
Thundermax ECM W/ Integral Auto-Tune System For Harley Davidson XL Models '14-Up
Westend Motorsports
$1,088.95
Thundermax ECM W/ Integral Auto-Tune System For Harley Davidson XL Models '14-Up
Westend Motorsports
$1,088.95
Thundermax ECM With Auto-Tune For '16-17 Harley Davidson Softail Models
Westend Motorsports
$1,088.95
Thundermax ECM With Auto-Tune For '16-17 Harley Davidson Softail Models
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '14-16 Touring And Trike Models
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '14-16 Touring And Trike Models
Westend Motorsports
$1,011.95
Thundermax ECM W/ Integral Auto-Tune System For '08-10 Harley Davidson FXCW/C, '04-11 FXD/FXDWG, '09 SE Softail, '10-13 XL Models
Westend Motorsports
$1,011.95
Thundermax ECM W/ Integral Auto-Tune System For '08-10 Harley Davidson FXCW/C, '04-11 FXD/FXDWG, '09 SE Softail, '10-13 XL Models
Westend Motorsports
$1,088.95
Thundermax ECM W/ Auto-Tune Closed Loop System For '08-13 FL Touring Models And '09-13 Trike
Westend Motorsports
$1,088.95
Thundermax ECM W/ Auto-Tune Closed Loop System For '08-13 FL Touring Models And '09-13 Trike
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '18-20 Harley-Davidson M8 Softail
Westend Motorsports
$1,088.95
Thundermax ECM With Integral Auto Tune System For '18-20 Harley-Davidson M8 Softail
Westend Motorsports
$1,088.95
Thundermax Thundermax ECM With Auto-Tune Closed Loop System - 309-362 For Select Harley-Davidson Motorcycles
Dennis Kirk
Free shipping
$1,088.95
Thundermax Thundermax ECM With Auto-Tune Closed Loop System - 309-362 For Select Harley-Davidson Motorcycles
Dennis Kirk
$1,088.95
Thundermax Thundermax ECM With Integral Auto Tune System - 309-466 For 2002-2017 Harley-Davidson V-Rod Motorcycles
Dennis Kirk
Free shipping
$1,088.95
Thundermax Thundermax ECM With Integral Auto Tune System - 309-466 For 2002-2017 Harley-Davidson V-Rod Motorcycles
Dennis Kirk
$1,115.95
Thundermax Electronically Commutated Motor W/Auto Tune - 309-591 For 2021-2025 Harley-Davidson Touring Motorcycles
Dennis Kirk
Free shipping
$1,115.95
Thundermax Electronically Commutated Motor W/Auto Tune - 309-591 For 2021-2025 Harley-Davidson Touring Motorcycles
Dennis Kirk
$1,088.95
Thundermax - Performance ECM's With Integral Autotune System (See Desc. For Fitment) '16-'17 FXS/FXST/FLS/FLST Models '14-'15 FXSBSE/FLSTNSE
Deadbeat Customs
$1,088.95
Thundermax - Performance ECM's With Integral Autotune System (See Desc. For Fitment) '16-'17 FXS/FXST/FLS/FLST Models '14-'15 FXSBSE/FLSTNSE
Deadbeat Customs
$1,115.95
Thundermax ECM Autotune Module For '21-25 Harley Davidson Touring Models (W/O Center Cool Motor) Excludes 2023-2024 CVO (VVT)
Westend Motorsports
$1,115.95
Thundermax ECM Autotune Module For '21-25 Harley Davidson Touring Models (W/O Center Cool Motor) Excludes 2023-2024 CVO (VVT)
Westend Motorsports
$1,088.95
Thundermax Engine Control Module Kit With Integral Auto Tune For '02-17 Harley Davidson V-Rod Models
Westend Motorsports
$1,088.95
Thundermax Engine Control Module Kit With Integral Auto Tune For '02-17 Harley Davidson V-Rod Models
Westend Motorsports
$1,088.95
Thundermax ECM Performance Auto Tuner For Harley Touring 1999-2001 OS
J&P Cycles
$1,088.95
Thundermax ECM Performance Auto Tuner For Harley Touring 1999-2001 OS
J&P Cycles
$1,115.95
Thundermax ECM Performance Auto Tuner For Harley Touring 2021-2023 OS
J&P Cycles
$1,115.95
Thundermax ECM Performance Auto Tuner For Harley Touring 2021-2023 OS
J&P Cycles