HKS Hipermax R Coilovers

2008–2014 Subaru WRX STI

Part #: 80310-AF001

Overview

The HKS Hipermax R coilover suspension system is designed to elevate your Subaru WRX STI's handling performance and driving experience. Built with advanced technology and meticulous tuning, these coilovers are ideal for enthusiasts who seek a perfect balance between street comfort and track-ready performance. Whether you're daily driving, spirited canyon carving, or participating in amateur racing, the Hipermax R offers the versatility and precision you need to push your vehicle to the next level.

Developed by HKS, a renowned name in motorsports and performance tuning, the Hipermax R series incorporates innovative features that address the shortcomings of previous models while enhancing overall ride quality, stability, and adjustability. With these coilovers, you'll get improved cornering, reduced body roll, and a more responsive feel, all while maintaining a comfortable ride for daily use.

Key Features

The HKS Hipermax R coilovers feature a combination of cutting-edge technology and durable construction to deliver superior performance and reliability. Key features include:

• Advanced damping technology with adjustable rebound and compression settings, allowing fine-tuning to match your driving style and conditions.
• High-quality monotube design with a large-diameter piston for consistent damping performance and heat dissipation during aggressive driving.
• Customizable ride height with a wide adjustment range, enabling you to optimize stance and clearance without sacrificing handling.
• Lightweight, corrosion-resistant materials such as anodized aluminum components for durability and reduced unsprung weight.
• Innovative technological advances developed by HKS to overcome previous series' limitations, resulting in improved responsiveness and stability.
• Enhanced ride comfort through refined valving and spring rates, making these coilovers suitable for both daily driving and spirited performance.
• Precise engineering and rigorous testing ensure a perfect fitment on the Subaru WRX STI (2008-2014), with compatibility for various wheel and tire setups.

Construction & Design

The HKS Hipermax R coilovers are constructed with a monotube damper design, which provides superior damping consistency and heat management during high-performance driving. The shock bodies are made from high-strength steel with a corrosion-resistant coating, ensuring longevity and reliable operation under demanding conditions. The adjustable components are CNC-machined for precise fitment and smooth operation.

The coilovers feature a lightweight aluminum top mount and a robust lower mount, both designed to optimize handling response and reduce weight. The spring rates are carefully selected to balance ride comfort with aggressive handling, and the adjustable collars allow for quick and easy ride height adjustments without affecting damping settings. The overall design emphasizes durability, performance, and ease of tuning, making these coilovers a top choice for Subaru enthusiasts seeking a high-performance suspension upgrade.

Installation & Fitment

The HKS Hipermax R coilovers are designed as a direct bolt-on upgrade for the 2008–2014 Subaru WRX STI. Installation typically requires basic hand tools and a lift or jack stands. No cutting, drilling, or major modifications are necessary, and the coilovers can be installed with standard mechanical skills. For optimal performance, some alignment adjustments are recommended after installation.

Adjustments for ride height and damping are straightforward, allowing you to customize your setup without extensive tuning or specialized equipment. Proper installation ensures maximum handling benefits and a comfortable ride tailored to your driving style.

What's Included

• Complete set of front and rear coilover shocks
• Adjustable top mounts
• Spring preload and ride height adjustment tools
• Installation hardware and mounting components
• Instruction manual for proper setup and tuning

Ideal For

• Subaru WRX STI owners seeking improved handling and ride quality
• Performance enthusiasts who want adjustable suspension for street and track use
• Drivers looking for a customizable stance and responsive driving experience
• Anyone upgrading from stock suspension for better control and reduced body roll