Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and...

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan...

Dynamic Air Scoops lower air intake temperatures by forcing more cool air from the front grilles into the factory intake tract. These scoops are constructed from 100% twill weave carbon fiber (no fiberglass) for lightweight, heat protection, and good looks. They feature a gloss finish...

These 7" tall, 360-degree radial flow air filters were specially designed to be installed through the M5's strut braces, maximizing airflow and making for an easy installation. They feature our high-flowing pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media...