Daytona Twin Tec M8Fi ECM Kit

Item: 421607

$1307.95 – $1437.95

Select Your Vehicle - Fitment Guaranteed

Daytona Twin Tec M8Fi ECM Kit


  • Quickly auto-tune fuel curves for front and rear cylinders on a dyno or on-road with the WEGO IIID dual channel wide-band oxygen sensor interface
  • Robust alpha-N (throttle position and RPM based) fuel control eliminates problems with long duration/high overlap camshafts
  • Extended data logging and diagnostics. Data flash memory stores full 60 minutes of operating data at 10 samples/second
  • Programmable user input for functions such as two stage RPM limiter, nitrous retard, and shift kill
  • Programmable user output for functions such as shift light, nitrous activation, and electric shifter
  • Powerful Windows software for custom programming and data analysis
  • Billet aluminum housing with black anodized finish
  • Fully programmable plug-in replacement
  • Easy plug-in installation

Product Note: Some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs to avoid clearance issues.

Specification Details
Configuration Varies (make selection above)
Country of Origin USA
Engine Type Varies (make selection above)
Warranty 3 Year Manufacturer Warranty

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Harley Davidson
  • FLFBS Softail Fat Boy 114 2021-2024
  • FLHC Softail Heritage Classic 2021
  • FLHCS Softail Heritage Classic 114 2021-2024
  • FLHR Road King 2021-2022
  • FLHRXS Road King Special 2021-2024
  • FLHT Electra Glide Standard 2021-2022
  • FLHTK Electra Glide Ultra Limited 2021-2024
  • FLHX Street Glide 2021-2023
  • FLHXS Street Glide Special 2021-2023
  • FLHXST Street Glide ST 2022-2023
  • FLS Softail Slim 2014-2017
  • FLSB Softail Sport Glide 2021
  • FLSL Softail Slim 2021
  • FLSS Softail Slim S 2016-2017
  • FLSTC Heritage Softail Classic 2014-2017
  • FLSTF Softail Fat Boy 2014-2017
  • FLSTFB Softail Fat Boy Lo 2014-2016
  • FLSTFBS Softail Fat Boy S 2016-2017
  • FLSTN Softail Deluxe 2014-2017
  • FLTRK Road Glide Limited 2021-2024
  • FLTRX Road Glide 2021-2023
  • FLTRXS Road Glide Special 2021-2023
  • FLTRXST Road Glide ST 2022-2023
  • FXBBS Softail Street Bob 114 2021-2024
  • FXBR Softail Breakout 2023-2024
  • FXFBS Softail Fat Bob 114 2021-2023
  • FXLRS Softail Low Rider S 2021-2024
  • FXLRST Softail Low Rider ST 2022-2024
  • FXSB Softail Breakout 2014-2017
  • FXST Softail Standard 2021-2024

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