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The progressive spring design provides a balanced reduction in ride height—40 mm at the front and 40 mm at the rear—resulting in enhanced cornering response and a more aggressive stance without compromising everyday usability
and provides a more responsive ride
Year Range Make Chassis Code Model Trim Engine / Trans / Etc Notes 2007-2009 Porsche 997 911 Turbo Turbocharged 3
Improved Throttle Response: Enhances acceleration and overall driving dynamics
This commitment to quality reflects AST’s dedication to delivering dependable components that meet rigorous automotive standards
ST Trackparts BMW F20 F21 Pre-Facelift Brake Cooling Kit (High Flow) CS_MODS The progressive spring design providesThe Brake Cooling Kit is specifically engineered for BMW F20 & F21 Pre Facelift models, designed to enhance brake performance through effective thermal management. Air is efficiently captured from the front bumper and directed into high flow brake cooling plates positioned behind the brake discs at an optimized angle. This targeted airflow enters the center of the brake discs, ensuring uniform distribution through the disc veins, which helps maintain
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