Cusco Rear Lower Subframe Bar Subaru 2002-2007 WRX / STI

The Cusco 673-487-A rear subframe power brace is a high-strength, lightweight aluminum chassis reinforcement designed for 1997–2007 Subaru Impreza WRX/STI models. It increases rear subframe rigidity to reduce chassis flex and improve handling. Featuring a signature blue finish, it bolts on directly for easy installation, often accommodating the 2006-2007 STi rear diffuser.

Features:
- Stiffens Chassis: Connects rear subframe points to reduce twisting under high cornering loads.
- Material: Lightweight and durable tubular aluminum construction.
- Easy Installation: Bolt-on design requires only standard hand tools.
- Improves rear-end stability and reduces chassis flex.
- Enhances suspension geometry performance.
- Offers a sporty, functional upgrade for street or track use
- Can be used with OEM Diffuser Part# 91225-FE000)
- Require to use with 676 487 S Stay + 90100-0365 Bolt x4 as set to have OE Diffuser

Applications: Sedan ONLY
2002-2007 Subaru WRX
2004-2007 Subaru STI
1993-2001 Subaru Impreza