1 3

TMS ReFlex+™ Flex Fuel & Harness Supra™ A9X Kit

$2,169.00
Shipping calculated at checkout.

Take full control of your port injection and flex fuel tuning with the TMS ReFlex+™ Flex Fuel & Harness Kit. This all-in-one solution combines a Motiv ReFlex+, a 10-bar fuel pressure sensor, our Race-spec Plug-and-Play Harness, and a complete flex fuel plumbing system — engineered for a clean, reliable, and fully reversible install.

Designed for specific chassis applications, this kit eliminates wiring headaches, simplifies your fuel system upgrades, and lets you unlock advanced features like flex fuel tuning, boost by gear, and full port injector control — no additional ethanol content analyzer required.

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)

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)

Motiv 10-Bar Fuel Pressure Sensor + Fitting

  • Plug-and-play connection to TMS harness

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 
Mounts in the driver-side brake booster area. Compatible with A9X engine platforms.

Chassis-Specific Flex Fuel Plumbing Kit
Pre-assembled stainless steel & nylon braided -6AN fuel lines.
Clean routing tailored for each chassis engine bay.

  • 10-micron stainless fuel filter (protects OEM injectors)
  • T-fitting to split fuel between DI and PI systems
  •  Line to port injection rail
  • AN-8 to PI rail adapter fitting

Compatible Car Models
  • 2020-present Toyota Supra™ A9X

 

Click HERE for more information on these kits.

FIRMWARE UPDATE
ENGINE

Pickup available at Shop location

Usually ready in 24 hours

FIRMWARE UPDATE
ENGINE

Product information

These commodities, technology, or software were exported from the United States in accordance with the Export Administration Regulations. Diversion contrary to U.S. law is prohibited.

KEY FEATURES

100% Plug-and-Play

No cutting, no depinning, no wiring headaches.
This harness connects via the transmission connector near the DME, giving you clean access to power and PT CAN 2, while eliminating any need to modify the
Body Domain Controller.


Fast, Clean Install

  • Installs in 2-3 hours with basic tools
  • 10A fused power circuit
  • Fully bench-tested for integrity and continuity

Race-Built Harness, No Cutting or Depinning

  • UL 1332 FEP Wiring – Rated to 200°C for extreme engine bay environments
  • TPV Overmolds – Waterproof, sealed, and ultra-secure
  • Black Aramid Fiber Sleeving – Fire and abrasion-resistant for long-term durability

Advanced Tuning Capabilities via ReFlex+

  • Sequential port injection
  • Boost by gear / speed / RPM
  • Secondary fuel pump control
  • Meth/nitrous activation
  • Custom fail-safes and I/O logic
  • Optional programming available



Complete Flex Fuel Integration

ReFlex+ handles ethanol content adjustments in
real time — no additional ethanol content analyzer needed.



"THE STANDARD"

At TMS, "The Standard" isn’t just a benchmark — it’s our obsession. We engineer and design every product to exceed expectations in quality, performance, and aesthetics. While the aftermarket industry is filled with cheaply made, mass-produced parts that cut corners, we take a different approach. Our commitment to precision engineering ensures flawless fitment, durability, and peak performance, while our design philosophy blends function with a sleek, OEM+ aesthetic. Every component we create is built for enthusiasts who demand the best — no compromises, no second-guessing, just pure, high-performance innovation. Welcome to "The Standard" — where excellence is the only option.

PLUG & PLAY

All of our products are engineered to be seamlessly installed without any extra wire cutting or soldering.

PERFORMANCE

TMS products are your gateway to higher performance. Whether it's our flex fuel, reflex harness, or all in one kit; they were engineered for maximum performance.

ENGINEERING

All TMS products are designed from an engineer's perspective: What are the standards? What materials can be used to achieve maximum performance? We research, design, & test with engineering in mind so that we know the products are the best.

DISCLAIMER

TMS ReFlex™ Harness Kits are designed for competition closed course use only and require tuning from companies such as EcuTek™, BootMod3™, and MHD™.  These kits may be used in conjunction with flex fuel; please note that exceeding the manufacturer’s recommended ratio of ethanol content without proper tuning may cause severe damage to the engine. Modifying a car for racing purposes can have legal implications and may void warranties. Additionally, it is essential to adhere to local regulations and safety guidelines when making modifications to your vehicle. Tensility Motor Sports does not accept liability for any mechanical, electrical, or other failure as a result of installation and use, or of improper tuning.

NO MODIFICATIONS

Under no circumstances should Tensility Motor Sports products be altered, modified, disassembled, or tampered with in any way. Any modifications to the products not expressly approved by Tensility Motor Sports will void the product warranty and may cause damage to the products or your vehicle, for which Tensility Motor Sports will not be responsible.