RS-R Down Sus Lowering Springs

2016–2024 Infiniti Q50 Red Sport 400 AWD

Part #: N145D

Overview

The RS-R 'Down Sus' Lowering Springs are designed specifically for the 2016-2024 Infiniti Q50 Red Sport 400 AWD models. These springs offer a perfect balance of lowered stance and improved handling, making them an excellent upgrade for enthusiasts seeking a sportier look and enhanced driving dynamics. Whether you're looking to reduce body roll during spirited driving or simply want a more aggressive appearance, these springs deliver on both fronts.

Built with performance and comfort in mind, the RS-R Down Sus springs take into account the factory suspension geometry, shock dampening characteristics, and ride height levels. This careful engineering ensures that your vehicle maintains a smooth ride while gaining the benefits of a lowered profile. Designed for daily drivers and performance enthusiasts alike, these springs help support increased stability and cornering confidence without sacrificing ride quality.

Key Features

RS-R's Down Sus Lowering Springs feature several key design elements that set them apart:

• High-quality steel construction with precision manufacturing ensures durability and consistent performance over time.
• Optimized spring rates—front springs with a rate of 9.90 kg/mm—provide a firm yet comfortable ride, supporting improved handling characteristics.
• Drop rates of approximately 30mm to 35mm (1.2 to 1.4 inches) in the front, giving your Q50 a more aggressive stance and improved aerodynamics.
• Designed to work seamlessly with the factory suspension components, preserving OEM-like ride comfort while enhancing performance.
• Engineered considering factory shock dampening to ensure proper suspension travel and prevent bottoming out or excessive stiffness.
• Manufactured with attention to detail to maintain proper suspension geometry, preventing adverse effects on tire wear or handling.
• Suitable for street use, spirited driving, and occasional track days, providing a versatile upgrade for your Infiniti Q50.

Construction & Design

The RS-R Down Sus springs are crafted from high-tensile steel, ensuring strength and longevity under demanding driving conditions. The springs feature a progressive coil design that offers a comfortable ride at low speeds and firm support during aggressive maneuvers. Their precise coil winding and heat treatment processes enhance durability and resistance to sagging or fatigue.

The springs are engineered to complement the factory suspension geometry, maintaining proper alignment and handling characteristics. Their compact, lightweight design minimizes additional unsprung weight, contributing to improved responsiveness and steering feel. The overall design aims to deliver a lowered stance without compromising ride comfort or safety, making them an ideal upgrade for enthusiasts who want both style and performance.

Installation & Fitment

The RS-R Down Sus Lowering Springs are designed as a direct bolt-on upgrade for the 2016-2024 Infiniti Q50 Red Sport 400 AWD models. Installation typically requires basic hand tools and a lift or jack stands. No cutting, drilling, or modifications are necessary, and the springs can be installed with standard suspension tools. It is recommended to perform a wheel alignment after installation to ensure optimal handling and tire wear.

• Direct replacement for factory springs
• No special tuning or adjustments required
• Suitable for street and performance driving

What's Included

• Front and rear lowering springs
• Installation hardware and instructions

Ideal For

• Infiniti Q50 Red Sport 400 AWD owners seeking a sportier stance
• Enthusiasts wanting improved handling and cornering performance
• Daily drivers looking for a subtle yet effective suspension upgrade