Take your S4/S5's performance to the next level with GruppeM's high-performance ram air systems. Our ram air systems are specifically designed and crafted to deliver maximum horsepower and torque gains, as well as improved acceleration and throttle response. Made from top-quality materials, our ram air systems are both durable and lightweight, providing optimal performance without weighing down your vehicle. Our advanced engineering ensures a precise fit and installation, resulting in improved airflow and reduced backpressure for optimal engine performance. Plus, our ram air systems feature an attractive appearance that complements your vehicle's engine bay. With easy installation and noticeable performance gains, GruppeM's ram air systems are the perfect addition for any racing enthusiast or performance driver looking to upgrade their vehicle. Trust GruppeM to provide you with the ultimate ram air system for superior performance, sound, and style.