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

Kartboy Rear Differential Bushing Kit for 02–07 Subaru WRX (Hard) Upgrade rear diff control, reduce movement, and sharpen handling. The Kartboy Rear Differential Bushing Kit is a direct-fit replacement for 2002–2007 Subaru WRX and 2004–2007 WRX STI models. Molded from a high-durometer compound, these bushings provide firmer rear differential support than factory rubber without sacrificing durability. Key Features Direct fit: Designed to replace OEM rear differential bushings—no modifications required. Performance compound: High-durometer material reduces deflection for improved throttle response and stability. Durability: Engineered to resist oil, road contaminants, and wear for long service life. Track and street ready: Ideal for spirited driving, autocross, and daily use. Benefits Sharper rear-end feel and more predictable handling through corners Improved power transfer with reduced differential movement under load Simple installation using existing hardware Fitment: 2002–2007 Subaru WRX, 2004–2007 Subaru WRX STI. Choose Kartboy for a proven, performance-focused upgrade to your Subaru's rear suspension.