Kartboy Rear Drop Endlinks 2004-2007 STI / 2005-2009 LGT | Suspension Handling Upgrade | Endlinks

Overview

The Kartboy Rear Drop Endlinks are a high-quality suspension upgrade designed specifically for Subaru enthusiasts looking to improve handling and stability. Compatible with the 2004-2007 Subaru WRX STI and the 2005-2009 Legacy GT, these endlinks replace the factory flexible plastic units with a more robust and precise connection between your swaybar and control arms. This upgrade is ideal for drivers seeking sharper turn-in response, reduced body roll, and enhanced confidence during spirited driving or track days.

Built with a focus on durability and performance, Kartboy’s engineering approach combines CNC-machined, hard anodized 6061-T6 aluminum with stiff urethane bushings. Handmade in the USA, these endlinks exemplify quality craftsmanship and attention to detail, ensuring they withstand the rigors of aggressive driving while maintaining a lightweight profile. The design reduces deflection under load, translating to more predictable handling and a more connected driving experience. Whether you’re a daily driver or a weekend enthusiast, these endlinks help unlock your Subaru’s full handling potential, making every corner more precise and confident.

Features & Specifications

This Kartboy Rear Drop Endlinks are engineered for Subaru WRX STI (2004-2007) and Legacy GT (2005-2009) platforms, featuring CNC-machined 6061-T6 aluminum and stiff urethane bushings for optimal performance and durability.

• Brand: Kartboy
• Product: Rear Drop Endlinks 2004-2007 STI / 2005-2009 LGT
• Part Number: Not specified
• Fitment: Subaru WRX STI (2004-2007), Legacy GT (2005-2009)
• Material: CNC-machined 6061-T6 aluminum
• Finish: Hard anodized
• Construction: CNC-machined, hand-assembled
• Origin: Made in the USA

• Bushings: Stiff urethane for precise response
• Design: Drop endlinks for lowered or stock ride height
• Compatibility: Direct bolt-on replacement

Key Benefits

• Enhanced Handling: Firm connection reduces swaybar flex, improving turn-in and overall responsiveness.
• Durability: CNC-machined aluminum and urethane bushings resist wear and corrosion for long-lasting performance.
• Improved Stability: Less deflection under load results in more predictable and confident cornering.
• Precision Fitment: Designed specifically for Subaru WRX STI and Legacy GT, ensuring a perfect fit and easy installation.
• Quality Craftsmanship: Handmade in the USA with strict quality control for reliable performance.

What's Included

• 1× Kartboy Rear Drop Endlinks
• Mounting hardware (bolts, nuts, washers)
• Installation instructions

Installation & Compatibility

Installing these Kartboy endlinks is straightforward for those with basic mechanical skills, typically requiring standard hand tools. They are a direct bolt-on replacement for the stock units, making them a popular upgrade for DIY enthusiasts. For optimal performance, proper alignment and torque specifications should be followed. While these endlinks are designed for stock or lowered suspensions, verify compatibility with your specific vehicle year and trim before installation. No tuning is required, but drivers seeking maximum handling benefits may consider an alignment afterward to optimize suspension geometry.