DAYTONA TWIN TEC LLC - 17818 - Auto-tune Electronic Fuel Injection Control Module Kit - M8 Touring/Trike
The DAYTONA TWIN TEC LLC 17818 is a closed-loop electronic fuel injection control module kit for 2021-2024 Harley-Davidson Touring and Trike models with WEGO IIID dual-channel wide-band oxygen sensor interface, alpha-N throttle-and-RPM-based fuel control, and a complete kit including wide-band 18 mm oxygen sensors, sensor bungs, cables, USB-C cable/adapter, and PC Link software with installation/tuning guide.
Features
- Quickly auto-tune fuel curves for front and rear cylinders on a dyno or on-road with new WEGO IIID dual channel wide-band oxygen sensor interface
- Includes wide-band 18 mm oxygen sensors, 18 mm sensor bungs and sensor cables, USB-C cable and USB-C to A adapter, PC Link Software and installation/Tuning Guide
- 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 per 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 a black anodized finish
- Fully programmable plug-in replacement
- Easy plug-in-play installation
- Made in the USA
- Does not work on models with VVT (variable valve timing).
- Some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs to avoid clearance issues.
- ECM kits are race only and require a qualified technician to install.
Specs
- Color/Finish: Gray
- Color/Finish: White
- Units: Kit
- Base Color: Black
- Programming: Pre-Programmed
- Riding Style: Street
- Type: Fuel Injection
- Features: Closed Loop
- Product Name: Electronic Control Module
- Model: Standard
- Programming: Programmable
- Color/Finish: Black
Frequently Asked Questions - DAYTONA TWIN TEC LLC - 17818 - Auto-tune Electronic Fuel Injection Control Module Kit - M8 Touring/Trike - '21-'24 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.
