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to keep the driving comfortable and still increase the spring rate
The ECU analysis has been done and settings changed multiple times with the goal of further improving engine performance
Each valve is heat-treated using a proprietary process for extraordinary strength and durability and then hard chrome plated to further increase strength
This allows exhaust gasses to flow more freely and offers improved response and power
Tein Street Advance Z Coilover Suspension Kit - Impreza GDB WRX STi (PCD 5x100) APEXi to keep the driving comfortableMuch like Tein Street Basis, Street Advance utilises a twin tube system and has adjustable lowering spring seats allowing you to adjust ride height. Unlike Street Basis, it also features adjustable damping force, allowing you to effectively change your handling characteristics. Compared to mono tube suspension, Street Basis is twin tube, meaning it attains a longer stroke with a smaller repulsive force, resulting in excellent high ride comfort.
