Description
RSS HAD Adjustable Coilovers for Audi A4 B9 S4 Quattro
Transform your Audi A4 B9 S4 Quattro with RSS HAD Adjustable Coilovers. Engineered with Eibach springs and Fuchs damping oil, these coilovers deliver the perfect balance of performance and daily-driving comfort.
Technical Specifications
| Vehicle | Audi A4 B9 S4 Quattro |
| Damping Adjustment | 24 levels (Comfort to Sport) |
| Spring Type | Custom Eibach Sport Springs |
| Damping Oil | Fuchs Premium Damping Oil |
| Damper Design | Twin-Tube |
| Lowering Range | 35-70mm (varies by vehicle) |
| Warranty | 2 Years |
Key Features
- Custom Eibach Springs: Individually rated sport springs for optimum performance and handling.
- Fuchs Damping Oil: World-renowned damping fluid rated for extreme temperature ranges.
- 24-Level Damping Adjustment: Fine-tune from comfort cruising to aggressive track settings.
- Twin-Tube Damper Design: Superior heat dissipation for consistent performance under hard driving.
- Helper Spring System: Prevents spring-damper separation during full droop.
- 2-Year Warranty: Full coverage on materials and workmanship.
RSS Products for Audi A4 B9
| Model | Product Type |
|---|---|
| A4 B9 S4 Quattro | HAD |
| A4 B9 S4 Quattro | Sway Bar |
Complete your suspension upgrade: RSS offers HAD, Sway Bar for the Audi A4 B9 platform. Combine products for the ultimate handling package.
Frequently Asked Questions
What vehicle does this fit?
This kit is specifically designed for the Audi A4 B9 S4 Quattro. Each application is individually tested for a perfect OEM-quality fit.
How does the 24-level damping adjustment work?
Simply turn the adjustment knob on each damper. Level 1 provides the softest, most comfortable ride. Level 24 delivers maximum firmness for spirited driving or track use.
What is the lowering range?
The RSS HAD system offers 35-70mm of lowering (exact range varies by vehicle). Height is adjustable via threaded spring perches.
Is professional installation required?
We recommend professional installation and a wheel alignment after fitting for optimal performance and safety.
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