NOTE: For automatics only! For manual Supras, TMS recommends the non-Race Reflex Harness listed here

Unlock the full potential of your Motiv ReFlex+ with the TMSReFlex™ Plug-and-Play Harness – Race Version. Designed with zero compromises, this premium aftermarket harness delivers seamless integration, full I/O functionality, and motorsport-grade reliability for your high-performance build.

Includes

TMS ReFlex™ Plug-and-Play Race Harness

• Connects directly to the transmission plug near the DME
• Full access to all ReFlex+ I/O
• Sealed, heat-rated, and abrasion-resistant components
• Completely bench-tested and fused (10A)

Auxiliary I/O Cable Pack
Pre-wired I/O ports for future upgrades like:

• Nitrous
• Meth injection
• Boost control solenoids
• Fuel pressure 
• Fluid level sensors
• And more

ReFlex Mounting Bracket
IMounts in the driver-side brake booster area. Compatible with A9X engine platforms.

(Optional) Motiv ReFlex+ Controller

• Advanced standalone controller for port injection and I/O
• Built-in Flex Fuel logic (requires tune) – no external analyzer needed
• Full CANBus integration via PT CAN 2 (ECUTek & MHD+ compatible)

(Optional) Motiv 10-Bar Fuel Pressure Sensor + Fitting

• Plug-and-play connection to TMS harness

Compatible Car Models:

• 2020-present Toyota Supra™ A9X (automatic only)