OVERTAKE Rear Differential Upper Bushing Inserts - 2008-2026 Subaru WRX / 2008-2021 STI IAGM10 Improves rear traction response and

Improves rear traction response and consistency on ZN6/ZC6

The Flash Kit Pro dongle used in both Stage 1 packages enables full custom calibration through EcuTek ProECU software — the same dongle that delivers OTS maps supports the complete custom tuning workflow when the owner is ready to pursue a professional tune

Includes Disc that has been heat-treated with wear-resistant hubs

Improves rear axle precision and handling consistency

and worm clamps included making this intake ready for the installation

OVERTAKE Rear Differential Upper Bushing Inserts - 2008-2026 Subaru WRX / 2008-2021 STI IAGM10 Improves rear traction response andWhat if every shift, every corner, and every launch felt tighter and more connected? Your rear diff is mounted with soft factory rubber that flexes and twists under load, robbing you of power transfer and dulling the feedback you crave. The OVERTAKE Rear Differential Upper Bushing Insert Kit fix that with performance rated 80A durometer urethane bushings that reinforce your factory mounts and eliminate unwanted movement. Small part, big improvement in