DAYTONA TWIN TEC LLC - 17800 - ECU - Harley-Davidson
The DAYTONA TWIN TEC LLC 17800 is a fully reprogrammable billet aluminum ECU engineered for 2014-2016 Harley-Davidson Twin Cam models including the Electra Glide Ultra Classic Low and Police FLHTPI, featuring Alpha-N fuel control, Auto-Tune with wide-band Bosch LSU 4.2 sensors for both cylinders, and 60-minute continuous data logging compatible with Windows tuning software.
Features
- Fully reprogrammable replacement ECU
- Alpha-N fuel control (RPM + TPS) – unaffected by long duration/high overlap cams
- Auto-Tune included – wide-band Bosch LSU 4.2 sensors for both cylinders
- G7 = Non-Integrated Modular Design – wide-band controller and USB interface are separate units
- G8 = Integrated Design – wide-band controller and USB-C interface built into the ECU
- G7 and G8 ECU’s function the exact same on the motorcycle
- Continuous data logging – 60 minutes at 10 samples per second
- Windows tuning & logging software (XP through 11)
- 3D tables for fuel & ignition; 2D for idle and enrichment
- Billet aluminum housing with black anodized finish
- User-configurable I/O – nitrous control, RPM limit, Ignition kill (in between gear for air shifts), and more
- Integrated Support for cruise control
- Plug-and-Play harness and installation
Specs
- For Make: Harley Davidson®
- Color/Finish: Black
- Material: Billet Aluminum
- Units: Kit
- Product Name: Engine Control Unit
- Riding Style: Street
- Type: Twin Cam
- Color/Finish: Anodized
Frequently Asked Questions - DAYTONA TWIN TEC LLC - 17800 - ECU - Harley-Davidson
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
