RS-R Best-i Active Coilover System

2016–2024 Infiniti Q50

Part #: XLIN145MA

Overview

The RS-R Best-i Active Coilover System is a high-performance suspension upgrade designed specifically for the 2016 to 2024 Infiniti Q50, including the Red Sport models. Engineered by RS-R, this coilover system offers a perfect blend of comfort, control, and adjustability, making it ideal for enthusiasts who seek enhanced handling without sacrificing daily drivability. Whether you're looking to improve cornering, stance, or overall ride quality, the Best-i Active coilovers deliver reliable performance backed by premium craftsmanship.

Designed to work seamlessly with your vehicle's factory Dynamic Digital Suspension (DDS) system, these coilovers allow you to retain factory damping control and digital actuator functionality. This means you can enjoy the benefits of aftermarket suspension upgrades while maintaining the advanced electronic controls that come with your Infiniti Q50 Red Sport, ensuring a smooth, responsive driving experience.

Key Features

The RS-R Best-i Active Coilover System incorporates innovative features and premium materials to deliver superior performance and durability:

• Compatible with factory DDS system, allowing damping adjustments via the OEM AVS controller for a customized ride quality.
• Expertly crafted from high-quality materials, ensuring long-lasting durability and consistent performance under demanding driving conditions.
• Front coilovers feature adjustable ride height from -10mm to -65mm, enabling precise stance tuning.
• Rear coilovers offer adjustable ride height from -20mm to -65mm, allowing for a balanced and aggressive stance.
• Spring rates are optimized at 10 kg/mm for the front and 5 kg/mm for the rear, supporting improved handling and stability.
• Designed to retain factory electronic controls, providing a seamless integration with your vehicle’s existing systems.
• Easy installation with bolt-on design, requiring no cutting or complex modifications.
• Covered by RS-R’s limited warranty for peace of mind and quality assurance.

Construction & Design

The RS-R Best-i Active Coilovers feature a robust construction with precision-engineered components. The dampers are built with high-quality, corrosion-resistant materials to withstand harsh driving conditions and ensure longevity. The adjustable damping mechanism is integrated with the factory AVS controller, allowing you to fine-tune ride comfort and handling characteristics on the fly. The coilovers’ design maintains the factory digital suspension controls, ensuring that your vehicle’s electronic damping and actuator functions remain fully operational.

The coilover housings are constructed with durable materials and feature a sleek finish that complements the Infiniti Q50’s sporty aesthetic. The adjustable ride height and spring rates are carefully selected to enhance both street comfort and spirited driving performance, making these coilovers suitable for daily driving, spirited canyon runs, or track days.

Installation & Fitment

The RS-R Best-i Active Coilover System is designed for a straightforward bolt-on installation, compatible with the factory mounting points on your Infiniti Q50. No cutting, drilling, or complex modifications are required, making it accessible for DIY enthusiasts and professional installers alike. The system is engineered to integrate seamlessly with your vehicle’s existing electronic suspension controls, ensuring full functionality without the need for additional tuning or adjustments.

• Direct replacement for factory coilovers
• No need for special tools or modifications
• Retains factory electronic damping controls

Once installed, you can enjoy improved handling, adjustable ride height, and enhanced vehicle stance with minimal effort.

What's Included

• 2 – Front Coilovers
• 2 – Rear Coilovers
• All necessary hardware and mounting components

Ideal For

• Infiniti Q50 owners seeking improved handling and stance
• Performance enthusiasts who want adjustable ride height and damping
• Drivers who want to retain factory electronic suspension controls
• Street and spirited driving applications