{"product_id":"daytona-twin-tech-17821-m8fi-gen-9-efi-controller","title":"Daytona Twin Tech 17821 M8FI Gen 9 EFI Controller","description":"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.\n\u003cp\u003eThe Daytona Twin Tech 17821 M8FI Gen 9 EFI Controller provides automatic fuel-curve tuning for front and rear cylinders on a dyno or during on-road operation. Its alpha-N fuel control is designed to address tuning challenges associated with long-duration, high-overlap camshafts.\u003c\/p\u003e\u003cp\u003eWindows software supports custom programming and data analysis, while extended data logging and diagnostic functions provide additional tuning insight. The controller's data flash memory stores up to 60 minutes of operating data at 10 samples per second.\u003c\/p\u003e\u003cp\u003eUser input functions include a two-stage RPM limiter, nitrous retard, and shift kill. User output functions include shift-light control, nitrous activation, and electric-shifter control. The Daytona Twin Tech 17821 is not compatible with models equipped with variable valve timing. Some aftermarket exhaust systems may require modification or relocation of their O2 sensor-port bungs to address clearance issues.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFuel Curve Tuning: Automatically tunes fuel curves for front and rear cylinders on a dyno or on the road.\u003c\/li\u003e\n\u003cli\u003eAlpha-N Fuel Control: Helps manage tuning requirements associated with long-duration, high-overlap camshafts.\u003c\/li\u003e\n\u003cli\u003eWindows Software: Provides custom programming and data analysis.\u003c\/li\u003e\n\u003cli\u003eData Logging: Stores up to 60 minutes of operating data at 10 samples per second.\u003c\/li\u003e\n\u003cli\u003eDiagnostics: Includes extended diagnostic capabilities.\u003c\/li\u003e\n\u003cli\u003eUser Inputs: Provides a two-stage RPM limiter, nitrous retard, and shift kill functions.\u003c\/li\u003e\n\u003cli\u003eUser Outputs: Supports shift-light control, nitrous activation, and electric-shifter control.\u003c\/li\u003e\n\u003cli\u003eCompatibility Note: Does not work on models with variable valve timing.\u003c\/li\u003e\n\u003cli\u003eExhaust Clearance Note: Some aftermarket exhaust systems may require modification or relocation of their O2 sensor-port bungs.\u003c\/li\u003e\n\u003cli\u003eAccessory Items: 32-3045 - USB Interface Cable, 34-1188 - EFI Intake Manifold Flange Set Chrome, 32-7834 - M8FI Gen 9 EFI Controller, 32-7835 - M8FI Gen 9 EFI Controller\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FLFBS  2021\u003cbr\u003e\nHarley Davidson FLFBS  2022\u003cbr\u003e\nHarley Davidson FLFBS  2023\u003cbr\u003e\nHarley Davidson FLFBS  2024\u003cbr\u003e\nHarley Davidson FLHC  2021\u003cbr\u003e\nHarley Davidson FLHCS  2021\u003cbr\u003e\nHarley Davidson FLHCS  2022\u003cbr\u003e\nHarley Davidson FLHCS  2023\u003cbr\u003e\nHarley Davidson FLHCS  2024\u003cbr\u003e\nHarley Davidson FLSB  2021\u003cbr\u003e\nHarley Davidson FLSL  2021\u003cbr\u003e\nHarley Davidson FXBB  2022\u003cbr\u003e\nHarley Davidson FXBBS  2021\u003cbr\u003e\nHarley Davidson FXBBS  2022\u003cbr\u003e\nHarley Davidson FXBBS  2023\u003cbr\u003e\nHarley Davidson FXBBS  2024\u003cbr\u003e\nHarley Davidson FXBR  2023\u003cbr\u003e\nHarley Davidson FXBR  2024\u003cbr\u003e\nHarley Davidson FXFBS  2021\u003cbr\u003e\nHarley Davidson FXFBS  2023\u003cbr\u003e\nHarley Davidson FXLRS  2021\u003cbr\u003e\nHarley Davidson FXLRS  2022\u003cbr\u003e\nHarley Davidson FXLRS  2023\u003cbr\u003e\nHarley Davidson FXLRS  2024\u003cbr\u003e\nHarley Davidson FXLRST  2022\u003cbr\u003e\nHarley Davidson FXLRST  2023\u003cbr\u003e\nHarley Davidson FXLRST  2024\u003cbr\u003e\nHarley Davidson FXRST  2022\u003cbr\u003e\nHarley Davidson FXST  2021\u003cbr\u003e\nHarley Davidson FXST  2022\u003cbr\u003e\nHarley Davidson FXST  2023\u003cbr\u003e\nHarley Davidson FXST  2024","brand":"Daytona Twin Tech","offers":[{"title":"Default Title","offer_id":44582160040023,"sku":"32-7836","price":1819.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/2276\/2583\/files\/32-7836a.jpg?v=1793249003","url":"https:\/\/valleyspeed.net\/en-gb\/products\/daytona-twin-tech-17821-m8fi-gen-9-efi-controller","provider":"The Speed Shop Canada","version":"1.0","type":"link"}