Kartboy Rear Differential Bushing Kit for 02-07 Subaru WRX Soft

Kartboy Rear Differential Bushing Kit (Soft) — 02–07 Subaru WRX / 04–07 WRX STI Brand: Kartboy Upgrade rear diff control and ride comfort with the Kartboy Soft Rear Differential Bushing Kit , engineered specifically for 2002–2007 Subaru WRX and 2004–2007 WRX STI models. These precision-molded bushings reduce unwanted movement without transmitting harsh vibrations to the chassis. Key Benefits Improved stability: Tighter differential location under acceleration, cornering, and braking. Comfort-focused: Soft durometer material balances performance with daily drivability—less NVH than hard poly options. Durable construction: Premium polyurethane resists oil, road salts, and aging for long-lasting performance. Direct fit: Designed to replace OE bushings; no modifications required. Why Choose Kartboy Kartboy is known for practical, track-proven suspension components. This soft rear diff bushing kit is ideal for enthusiasts who want crisper drivetrain response without compromising daily comfort. Perfect for street, occasional track use, or spirited canyon runs. What’s Included Rear differential bushing set (soft polyurethane) Installation hardware where applicable Instructions for straightforward fitment Fitment: 2002–2007 Subaru WRX; 2004–2007 Subaru WRX STI. Improve handling predictability and maintain a comfortable ride with Kartboy’s soft rear differential bushings.