aFe Stage 2 Si Intake System 2007-2010 BMW 335i

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Producing 14 max horsepower and 27 ft lbs of torque, this radically different Stage 2 sealed cold air intake system is engineered to let maximum air in while keeping engine heat out. Featuring two uniquely shaped molded intake ducts that replaces the single stock intake tract, this intake system smoothly directs increased air flow from two direction for improved volumetric efficiency and maximum performance. Testing has shown intake air temperatures to drop up to 11°F cooler with the Si intake.

Complementing the dual intake tract are two aFe scoops that channel cold air from the grill directly into the intake. The easily accessible washable/reusable aFe air filter is enclosed in a molded plastic housing and mounted on a oval intake tube that smoothly supplies maximum air to your BMW's twin turbos. The full effect of this system cannot be felt or tested on stationary dyno and can only be fully appreciated on the wide open highway!


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