TOM'S Racing Rear Under Diffuser – Toyota GR Yaris Gen 2 (KOUKI) 2024+

Article number: 52159-TPA18-(X)

Japanese perfection and pure aerodynamic functionality for the new GR Yaris!

Take the rear of your Toyota GR Yaris KOUKI (Gen 2, 2024+) to the next level with the TOM'S Racing Rear Under Diffuser – a Japanese-original performance upgrade that combines sporty style with genuine downforce functionality. Developed by TOM'S Japan , Toyota's official performance partner, this diffuser perfectly complements the updated design of the facelift GR Yaris and enhances its aggressive, race-inspired look.

The diffuser is designed with aerodynamic efficiency in mind: it better manages airflow under the car, increasing stability at high speeds. It also creates a wider, lower visual stance , exactly what the GR Yaris deserves.

🔴 Key Features of the TOM'S Racing Rear Under Diffuser

• ✅ Specifically designed for Toyota GR Yaris KOUKI (Gen 2, 2024+)

• ✅ OEM quality fit – perfect fit on the facelift rear bumper

• ✅ Aerodynamically optimized design – improved airflow and stability

• ✅ Refined JDM finish – subtle TOM'S logo integrated

• ✅ Made of high-quality lightweight material

• ✅ Compatible with TOM'S Rear Roof Wing and Front Diffuser

• ✅ Delivery time usually 2–5 working days

🏁 Why choose the TOM'S Racing Rear Under Diffuser for your GR Yaris (KOUKI)?

🔹 Japanese motorsport expertise: developed directly by TOM'S Racing – the tuning house behind Toyota's Super GT programme.
🔹 OEM+ integration: retains the original lines of the facelift GR Yaris, but gives it a more powerful and sporty character.
🔹 Improved aerodynamic balance: creates more downforce and optimizes airflow at the rear.
🔹 Premium JDM appearance: Combines functionality with a unique, high-end look.

⚙️ Application

• Toyota GR Yaris KOUKI (Gen 2, 2024+)

• Suitable for all versions (RZ, RC, Circuit Edition, etc.)

• Only suitable for facelift (KOUKI) model – does not fit pre-facelift (2020–2023)

💡 Summary

The TOM'S Racing Rear Under Diffuser is an essential upgrade for GR Yaris drivers seeking OEM+ JDM styling with functional aerodynamics . Its perfect fit, refined finish, and proven high-speed performance make it a top choice both visually and technically.

Combine it with the TOM'S Front Diffuser and TOM'S Rear Roof Wing for the ultimate aero package that will set your GR Yaris apart from the rest.

✔ Japanese top quality from TOM'S Racing
✔ Increased downforce and airflow
✔ Perfect OEM+ integration with facelift bumper
✔ Delivery time: 2–5 business days