HKS Hipermax S Coilover Kit Subaru STI 2005-2007 | 80300-AF003

SKU: hks80300-AF003
Availability: 19 In Stock
Type: Suspension Coilovers
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Regular Price: $2,000.00 - Instant discount: $270.01 = $1,729.99
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Fitment Information:

2005-2007 Subaru STI


  • Dual PVS. We evolved the existing preload valve system to the dual preload valve system to suppress the generation of unnecessary damping force during higher piston speeds. This provides major improvement in ride comfort without influencing the driving performance.

    • Wide Range Damping Force Adjustment Mechanism. The improved shape of the Needle Jet expand the range of damping force adjustment. This makes us possible to handle driving on a wider range of stages.

      • Evolution of Bump Stop Rubber. A new shape of bump stop rubber reduces the body roll and achieves ride comfort at the same time which cannot be achieved with general hydro bump stop rubber.

        • Low Friction Technology. With advanced tribology technology, we have achieved even higher durability and lower friction than conventional products. This technology contributes to improved ride quality and handling performance.

          • 3-Years Warranty. Compared to the one-year warranty period of the conventional MAX V GT series, the HIPERMAX S Series has a three-year warranty due to the optimization of internal parts and quality improvement.


          • Spring Rate: F (7k) R (5k)
          • Height: F .63 - 2.68 inches , R 0.2 - 3.39inches
          • Single Tube
          • 30 Levels Adjustable Dampening
          • Shock Body Length Adjustable
          • Special Oil 
          • PNE Coating
          • Dual Pre-load Valve System
          • Aluminum Bracket 
          • Rubber Upper Mount 

          These HKS Hypermax S Coilovers will come pre-assembled and you are provided with spanner wrenches and a damper adjustment tool so you can set your preferred height and stiffness. These provide performance, looks, and handling out of your suspension for an overall improvement in ride quality for both the street and the track. 

          PROPOSITION 65

          WARNING: Cancer and Reproductive Harm. (

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