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giving you a more composed and confident driving experience
the AST springs feature a progressive design that optimizes handling and stability without compromising daily driving comfort
Please note that these springs are not suitable for four-wheel-drive (4WD) vehicles and that the effective lowering height may vary if the vehicle is already equipped with standard lowering components
contributing to improved driving dynamics
Supersprint BMW E89 Z4 Stainless Steel Downpipe Kit(Replaces Catalytic Converter) Product Type_Exhaust Valve giving you a more composedThe Supersprint Downpipe Kit(Replaces Catalytic Converter) is a precision, direct fit stainless steel upgrade engineered for the BMW E89 Z4. It replaces the restrictive factory component to free up exhaust flow, sharpen throttle response and give your BMW a deeper, more purposeful note. Supersprint has been handcrafting performance exhausts in Mantova, Italy since 1955. Every system is designed and validated on the dyno not by assumption using thin
