FuelTech FT450 Plug & Play Adapter Harness – Honda K-Series Standalone (V2) | VTI

The cleanest way to run a FuelTech FT450 on your Honda K-Series — without cutting or splicing your factory engine harness. This V2 adapter is manufactured by CarrotTopTuning and supplied through VTI, engineered for reliable signal integrity, stable power distribution, and future expansion capability right out of the box.

Platform Compatibility

• Honda K20 & K24 platforms
• Compatible with factory and aftermarket K-Series engine harnesses
• Designed specifically for the FuelTech FT450 ECU

What's Built In (V2)

DTM12P Expansion Connector

Integrated 12-pin DTM expansion connector provides IGN12V supply, dedicated 5V reference power, and stable power delivery for auxiliary sensors and control modules — clean expansion without additional harness modification.

Rear Wheel Speed Sensor Extension

Dedicated pre-wired extension for accurate speed signal transfer, reliable traction control input, and stable speed-based tuning data. Critical for advanced performance tuning and data logging.

CANBUS A Connector

Integrated CAN-A connector enables high-speed ECU communication, expansion module integration, advanced telemetry support, and digital dash compatibility.

V2 Construction Standard

• Higher-grade Teflon insulated wiring throughout
• Developed slack lengths for clean, stress-free routing
• Proper termination and strain relief at all connections
• CarrotTopTuning branded construction — proven in performance applications

Why Purchase Through VTI?

VTI supplies and supports CarrotTopTuning adapter systems within structured standalone integration builds. Technical guidance and integration support available upon request — we don't just sell you a harness and wish you luck.