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

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

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

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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 preload
✅ Monotube damper design – more feedback & consistency
✅ Top quality aluminum camber-adjustable top mounts front
✅ HKS PNE coating against corrosion (salt, moisture, stone chips)

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Street use with circuit DNA

The Hipermax S is designed to radically improve the GR Supra's handling without compromising comfort. Think greater stability in corners , reduced dive under braking and acceleration , and a more direct, controlled steering response . At the same time, ride comfort remains surprisingly high – ideal for everyday use.

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

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Technical Specifications (HKS 80300-AT023C):

• Damper type : Monotube (gas-filled)

• Adjustability : Damping & ride height independent

• Front camber adjustment : Yes (via top mount)

• Adjustable spring preload : Yes

• EDC Canceller included : Yes (prevents interference)

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Application:

• Vehicle : Toyota GR Supra MK5 A90

• Platform : DB42

• Engine code : B58 3.0 Turbo

• Year of construction : 2019 to present

• Suitable for : Automatic & manual transmission

• OEM EDC compatible : ✅ Yes

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Delivery time & Availability

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

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

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Why this kit over other coilovers?

The Hipermax S isn't a compromise, but a well-thought-out balance between sportiness and everyday usability . Ideal for riders who:

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

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In summary:

• Comfortable enough for everyday driving

• Hard enough for track days and sporty cornering

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

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

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Enhance the control, driving experience, and appearance of your Supra with the HKS Hipermax S – now available with an EDC Canceller.
More grip, more precision, and no error messages. Just the way it should be.