Delivery time: approx. 4-5 weeks

HKS Hipermax S Coilover Kit with EDC Canceller – Toyota GR Supra A90 (2019+)

Item code: 80300-AT023C | Complete coilover kit including EDC canceller (for active damper control)

Take your Toyota GR Supra MK5 A90 (DB42) to the next level in terms of handling, comfort, and control with the HKS Hipermax S Coilover Kit with integrated EDC Canceller (Electronic Damper Canceller). This version is perfectly tuned for cars with the OEM electronic damper system, and prevents error codes or malfunctions after installing an aftermarket suspension.

The Hipermax S is the latest generation of high-end street coilovers from HKS Japan – a direct successor to the Hipermax IV GT – and is known for its unparalleled balance between performance and daily comfort.

Key features:

✅ Includes EDC Canceller – prevents error messages after removing OEM electronic damper control system
✅ Perfect upgrade for sporty street use & occasional track use
✅ 32-way adjustable damping – bump and rebound combined
✅ Fully height adjustable without affecting spring pre-load
✅ Monotube damper design – more feedback & consistency
✅ Top-quality aluminum camber-adjustable top mounts at the front
✅ HKS PNE coating against corrosion (salt, moisture, stone chips)

Street use with circuit DNA

The Hipermax S has been developed to radically improve the GR Supra's handling without compromising comfort. Think more stability in corners, less dive during braking and acceleration, and a more direct, controlled steering response. At the same time, ride comfort remains surprisingly high – ideal for daily use.

Thanks to the included EDC Canceller, this kit is plug-and-play on OEM vehicles with active damper control. No error codes, no warnings on the dashboard – just drive and enjoy.

Technical Specifications (HKS 80300-AT023C):

• Damper type: Monotube (gas-filled)

• Adjustability: Damping & ride height independent

• Front camber adjustment: Yes (via top mount)

• Adjustable spring pre-load: Yes

• EDC Canceller included: Yes (prevents malfunctions)

Application:

• Vehicle: Toyota GR Supra MK5 A90

• Platform: DB42

• Engine code: B58 3.0 Turbo

• Year of manufacture: 2019 to present

• Suitable for: Automatic & manual transmission

• OEM EDC compatible: ✅ Yes

Delivery time & Availability

This is an original Japanese HKS product, manufactured with utmost precision.
It is a made-to-order coilover kit and is usually delivered within 3–5 weeks, depending on availability at HKS Japan.

Please note: not a stock item, only available to order.

Why this kit over other coilovers?

The Hipermax S is not a compromise, but a well-considered balance between sportiness and daily usability. Ideal for drivers who:

✔️ Are looking for a plug-and-play solution without error messages
✔️ Drive both on the street and occasionally on the track
✔️ Want a coilover with Japanese top quality & reliability
✔️ Want to refine the handling of their GR Supra without becoming uncomfortable

Summary:

• Comfortable enough for daily driving

• Firm enough for track days and sporty cornering

• Made by one of the most respected names in the tuning world

• Incl. EDC Canceller for problem-free installation on OEM vehicles with active damper control

Improve the control, driving experience, and appearance of your Supra with the HKS Hipermax S – now available in a version with EDC Canceller.
More grip, more precision, and no error messages. Just as it should be.