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TMS ReFlex™ Harness Supra™ A9X

$1,599.00 Sold out
Shipping calculated at checkout.

The TMS ReFlex™ Harness Kit is a plug-and-play solution built for the Toyota Supra™ A9X (B58B30O1 engine). This harness provides seamless integration with key engine sensors and offers full compatibility with the ReFlex Plus™ standalone controller. Designed for clean installation and easy expansion, the kit eliminates wiring headaches and supports advanced tuning applications.

Includes

TMS ReFlex™ Plug-and-Play Harness
Connects to port injection, ethanol sensor, low pressure fuel sensor, charge pipe, intake CAM, and crank sensor — no cutting or modification required.

CAN + Power Splitter
Connects the ReFlex™ harness to the Body Domain Controller located in the passenger footwell behind the kick-plate.

Auxiliary Cable Pack
Includes four 8-foot cables that connect to unused ReFlex™ auxiliary ports (Aux Out 1/2/3, Aux In 4). Designed for future upgrades such as:

  • Methanol injection
  • Nitrous
  • Additional sensors

ReFlex Plus™ Mounting Bracket (Included with ReFlex Plus™)
Secures the ReFlex™ unit in the access compartment next to the engine bay on the passenger side.

Motiv ReFlex Plus™ Controller (Optional)
Available with or without ReFlex Plus™.

Motiv™ 0–10 Bar Pressure Sensor (Optional)
Available as part of the complete kit for advanced fuel pressure monitoring.

Compatible Car Models
  • 2020–Present Toyota Supra™ A9X

 

Click HERE for installation instructions.

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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.



"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.