10 Best Auto Tuner For Harley Davidson of December 2025

• The Fuelpak FP3 has revolutionized fuel management for Harley-Davidson motorcycles. Tune your bike with your Smartphone - Welcome to the Future... ***Restricted for use in California***
• Connecting wirelessly by Bluetooth to iPhone or Android smartphones, Fuelpak FP3 uses Flash technology to re-calibrate engine parameters and mapping for exhaust systems and other performance upgrades downloaded from the expansive library of calibrations developed by Vance & Hines.
• Also standard for the Fuelpak FP3 is an auto-tune feature, making use of all factory sensors to add another layer of precision tuning for specific requirements, whether tuning for unique components or different grades of fuel.
• And with the Fuelpak FP3 module plugged-in, Live Sensor Data can be viewed through the smartphone to display speed, RPM, cylinder head temperature, voltage, gear selection and other vital information. Smartphone app user interface (iOS and Android) Re-calibrates ECM by Flash Tuning. Auto-tune feature for added tuning precision. Capable of displaying Life Sensor Data.
• ***Restricted fur use in California*** Fits the following Harley Models with 6-Pin Connectors: FLH, FLT 2014-2020 FXD 2012-2017 FXST, FLST 2011-2017 XG500, XG750 2014-2020 XG750A 2017-2020 XL 2014-2020

Billet Proof Designs

• ThunderMax with AutoTune is the industry’s first and only stand-alone Performance EFI Engine Management System developed specifically to meet the tuning needs of Throttle-By-Wire H-D motorcycle owners. This highly advanced tuning system allows the user to support a wide range of performance upgrades with ease.
• The all new ThunderMax AutoTune TBW module includes all of the great performance enhancements that made the brand famous – with benefits you’ll notice immediately, including quicker throttle response, increased power and cooler operating temperatures.
• The ThunderMax with AutoTune is a Wide-Band, Closed-Loop system which means it continually and automatically adjusts your air-fuel ratios every time you ride, regardless of changes in ambient conditions. All you have to do is ride and enjoy!
• The ThunderMax System can never be out grown... Change pipes, add cams, whatever! Just download a new map. ThunderMax software, firmware and map updates are accessible 24/7 with an internet connection.
• Message Cycle Solutions Inc and we will set up your Thundermax Auto Tune with the proper starting map based on your bike modifications.

Thunder Heart

• ThunderMax with AutoTune is the industry’s first and only stand-alone Performance EFI Engine Management System developed specifically to meet the tuning needs of Throttle-By-Wire H-D motorcycle owners. This highly advanced tuning system allows the user to support a wide range of performance upgrades with ease.
• The all new ThunderMax AutoTune TBW module includes all of the great performance enhancements that made the brand famous – with benefits you’ll notice immediately, including quicker throttle response, increased power and cooler operating temperatures.
• The ThunderMax with AutoTune is a Wide-Band, Closed-Loop system which means it continually and automatically adjusts your air-fuel ratios every time you ride, regardless of changes in ambient conditions. All you have to do is ride and enjoy!
• The ThunderMax System can never be out grown... Change pipes, add cams, whatever! Just download a new map. ThunderMax software, firmware and map updates are accessible 24/7 with an internet connection.
• Email Cycle Solutions Inc and we will set up your Thundermax Auto Tune with the proper starting map based on your bike modifications plus you will receive a coupon for a FREE DYNO Diagnostic run at an event of your choice!

Thunder Heart

• EASY INSTALLATION: Plug N' Play Installation- takes minutes to install
• UNIQUE: Uses unique Load Based Technology
• COMPATIBLE: Does not interfere with stock ECU operation
• DURABLE: Water-resistant
• WARRANTY: 2-year warranty

Dobeck Performance

• Surface Finish:
• Warranty: Yes

Dynojet

• ThunderMax with AutoTune is the industry’s first and only stand-alone Performance EFI Engine Management System developed specifically to meet the tuning needs of H-D motorcycle owners.
• This highly advanced tuning system allows the user to support a wide range of performance upgrades with ease.
• The all new ThunderMax AutoTune module includes all of the great performance enhancements that made the brand famous – with benefits you’ll notice immediately, including quicker throttle response, increased power and cooler operating temperatures.
• The ThunderMax with AutoTune is a Wide-Band, Closed-Loop system which means it continually and automatically adjusts your air-fuel ratios every time you ride, regardless of changes in ambient conditions. All you have to do is ride and enjoy!
• The ThunderMax System can never be out grown... Change pipes, add cams, whatever! Just download a new map. ThunderMax software, firmware and map updates are accessible 24/7 with an internet connection.

Thunder Heart

• The Fuelpak FP3 has revolutionized fuel management for Harley-Davidson motorcycles. Tune your bike with your Smartphone - Welcome to the Future...
• Connecting wirelessly by Bluetooth to iPhone or Android smartphones, Fuelpak FP3 uses Flash technology to re-calibrate engine parameters and mapping for exhaust systems and other performance upgrades downloaded from the expansive library of calibrations developed by Vance & Hines.
• Also standard for the Fuelpak FP3 is an auto-tune feature, making use of all factory sensors to add another layer of precision tuning for specific requirements, whether tuning for unique components or different grades of fuel.
• And with the Fuelpak FP3 module plugged-in, Live Sensor Data can be viewed through the smartphone to display speed, RPM, cylinder head temperature, voltage, gear selection and other vital information. Smartphone app user interface (iOS and Android) Re-calibrates ECM by Flash Tuning. Auto-tune feature for added tuning precision. Capable of displaying Life Sensor Data.
• Fits the following Harley Models with 4-Pin Connectors: Fits the following Harley Models with 4-Pin Connectors: 2007-2013 Touring FLH, FLT 2007-2011 Dyna FXD 2007-2010 Softail FXST, FLST 2007-2013 Sportster XL

Billet Proof Designs

• The quickest and most powerful flash tuner on the market
• The sophisticated, yet easy-to-use, 3.5in. full color touch screen display mounts to handlebars with intergrated Amps 4-hole threaded inserts; also mounts to most aftermarket accesory mounts that feature Amps 4-mounting options
• The displays interface cable plugs directly to the bikes diagnostic connector
• NO COMPUTER REQUIRED; simply select the tune and follow the on-screen prompts to flash the bike; tunes can also be edited directly from the Power Vision
• Utilizes WinPV (Windows PC-based tuning application)

Dynojet

• ThunderMax® with AutoTune is the industry’s first and only stand-alone Performance EFI Engine Management System developed specifically to meet the tuning needs of Throttle-By-Wire H-D® motorcycle owners. This highly advanced tuning system allows the user to support a wide range of performance upgrades with ease.
• The all new ThunderMax® AutoTune TBW module includes all of the great performance enhancements that made the brand famous – with benefits you’ll notice immediately, including quicker throttle response, increased power and cooler operating temperatures.
• The ThunderMax with AutoTune is a Wide-Band, Closed-Loop system which means it continually and automatically adjusts your air-fuel ratios every time you ride, regardless of changes in ambient conditions. All you have to do is ride and enjoy!
• The ThunderMax System can never be out grown... Change pipes, add cams, whatever! Just download a new map. ThunderMax software, firmware and map updates are accessible 24/7 with an internet connection.
• Email Cycle Solutions Inc and we will set up your Thundermax Auto Tune with the proper starting map based on your bike modifications plus you will receive a coupon for a FREE DYNO Diagnostic run at an event of your choice!

Thunder Heart

• Supports Bluetooth, USB, iPod, iPhone, MP3 and AM/FM Radio
• Clock display mode, Display Dimmer & Day/Night Modes
• Fits most smartphones and media devices
• FM/AM radio with 30 presets (US & Euro)
• DSP EQ, Bass/Treble, Balance/Fader, Loudness

Aquatic AV