MST’s cold air intake for the BMW F3X M240i, 340i, and 440i has an oversized pipe that fits exactly to the OEM manifold, and the smooth surface supplies ambient airflow to the engine.

It is designed to provide high airflow through its inverted cone structure for maximum engine breathing.

All components included in the MST air intake system work flawlessly together to provide increased horsepower and torque throughout the entire power band and an aggressive race-inspired sound.

Emission Notes:

• This intake is not CARB exempt and is not legal for street use in California & other states adopting CARB standards. Please check your local laws before purchasing.