Daytona Twin Tech M8FI Gen 9 Auto Tune EFI Controller Kit for Harley
The Daytona Twin Tec M8FI Gen 9 Auto Tune fuel injection controller is a fully programmable plug-in replacement featuring a billet aluminum housing with a black anodized finish. It auto-tunes fuel curves for front and rear cylinders on a Dyno or on-road, delivering precise fuel management for Harley-Davidson engines.
Alpha-N fuel control eliminates issues with long duration and high overlap camshafts, while Windows software provides custom programming and detailed data analysis. Data logging is enhanced by a data flash memory that stores full 60 minutes of operating data at 10 samples per second, enabling thorough monitoring and fine-tuning.
- Auto-tunes fuel curves for front and rear cylinders on Dyno or on-road
- Alpha-N fuel control for reliable power with camshaft profiles
- Windows software for custom tuning and data analysis
- Data flash memory: 60 minutes of data at 10 samples/second
- User input: two-stage RPM limiter, nitrous retard, shift kill
- Output: shift light, nitrous activation, electric shifter
- USA-made with durable billet aluminum housing
- Part number: 17821
Compatibility and notes
Designed for Harley Davidson models from 2021 to 2024, including the Fat Boy, Softail, and Touring series. Note: does not support VVT models. Some aftermarket exhaust systems may require modifications or repositioning of O2 sensor bungs to prevent clearance issues.
Fitment
- Harley Davidson FLFBS 2021-2024
- Harley Davidson FLHC 2021
- Harley Davidson FLHCS 2021-2024
- Harley Davidson FLSB 2021
- Harley Davidson FLSL 2021
- Harley Davidson FXBB 2022
- Harley Davidson FXBBS 2021-2024
- Harley Davidson FXBR 2023-2024
- Harley Davidson FXFBS 2021
- Harley Davidson FXFBS 2023
- Harley Davidson FXLRS 2021
- Harley Davidson FXLRS 2022
- Harley Davidson FXLRS 2023
- Harley Davidson FXLRS 2024
- Harley Davidson FXLRST 2022
- Harley Davidson FXLRST 2023
- Harley Davidson FXLRST 2024
- Harley Davidson FXRST 2022
- Harley Davidson FXST 2021
- Harley Davidson FXST 2022
- Harley Davidson FXST 2023
- Harley Davidson FXST 2024
Daytona Twin Tec M8FI Gen 9 Auto Tune fuel injection controller is fully programmable plug in replacement featuring a billet aluminum housing with a black anodized finish.
Enhance your Harley Davidson motorcycle's fuel management with the Daytona Twin Tech M8FI Gen 9 EFI Controller Kit. This advanced system allows quick and precise auto-tuning of fuel curves for both front and rear cylinders, whether on a dynamometer or during on-road riding. The robust alpha-N fuel control technology effectively eliminates issues associated with long duration and high overlap camshafts, ensuring optimal engine performance and reliability. The kit includes comprehensive Windows software for custom programming and detailed data analysis, providing riders and tuners with extended data logging and diagnostics capabilities. The data flash memory stores a full 60 minutes of operating data at 10 samples per second, enabling thorough monitoring and fine-tuning of your motorcycle's fuel system. User input functions include a two-stage RPM limiter, nitrous retard, and shift kill, giving precise control over engine parameters. Output functions include a shift light, nitrous activation, and electric shifter, facilitating seamless integration with performance modifications. Please note that this EFI controller does not support models equipped with variable valve timing (VVT). Additionally, some aftermarket exhaust systems may require modifications or repositioning of their O2 sensor bungs to prevent clearance issues. Designed specifically for Harley Davidson models from 2021 to 2024, including the Fat Boy, Softail, and Touring series, this kit offers a versatile upgrade for performance enthusiasts seeking reliable and customizable fuel control. As a USA-made product, it ensures high-quality standards and durability for demanding riding conditions.
Features:
- Auto-tunes fuel curves for front and rear cylinders on a Dyno or on-road
- Alpha-N fuel control eliminates issues with long duration/high overlap camshafts
- Windows software provides custom programming and data analysis
- Extended data logging and diagnostics capabilities
- Data flash memory stores full 60 minutes of operating data at 10 samples/second
- User input functions: two-stage rpm limiter, nitrous retard, shift kill
- User output functions: shift light, nitrous activation, electric shifter
- Designed for Harley Davidson models from 2021-2024
- Note: Does not support VVT models; aftermarket exhaust modifications may be required
Fitment:
Harley Davidson FLFBS 2021
Harley Davidson FLFBS 2022
Harley Davidson FLFBS 2023
Harley Davidson FLFBS 2024
Harley Davidson FLHC 2021
Harley Davidson FLHCS 2021
Harley Davidson FLHCS 2022
Harley Davidson FLHCS 2023
Harley Davidson FLHCS 2024
Harley Davidson FLSB 2021
Harley Davidson FLSL 2021
Harley Davidson FXBB 2022
Harley Davidson FXBBS 2021
Harley Davidson FXBBS 2022
Harley Davidson FXBBS 2023
Harley Davidson FXBBS 2024
Harley Davidson FXBR 2023
Harley Davidson FXBR 2024
Harley Davidson FXFBS 2021
Harley Davidson FXFBS 2023
Harley Davidson FXLRS 2021
Harley Davidson FXLRS 2022
Harley Davidson FXLRS 2023
Harley Davidson FXLRS 2024
Harley Davidson FXLRST 2022
Harley Davidson FXLRST 2023
Harley Davidson FXLRST 2024
Harley Davidson FXRST 2022
Harley Davidson FXST 2021
Harley Davidson FXST 2022
Harley Davidson FXST 2023
Harley Davidson FXST 2024
