AST Lowering Springs- Audi S4 (B9) Lowering:30mm Front / 25mm Rear 055in Ring Compressor

055in Ring Compressor

and the Magnum FLOW OE Replacement Air Filter

BMW-specific fuel filter mount

for maximum performance

The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time

AST Lowering Springs- Audi S4 (B9) Lowering:30mm Front / 25mm Rear 055in Ring CompressorTransform your vehicles profile and performance with AST Lowering Springs. Engineered for drivers who demand a more aggressive aesthetic without sacrificing ride quality, these springs provide a significant reduction in ride height while working in perfect harmony with your factory dampers. By lowering the centre of gravity, AST springs reduce body roll during cornering and nose dive under heavy braking, resulting in a more stable and communicative