Air Intake Systems

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase...

Dynamic air scoops are constructed out of lightweight black powdercoated aluminum and simply install behind the kidney bean grille. Increased air ...

The serrated/helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for bett...

The Silver Bullet throttle body spacer is constructed from precision machined 6061-T6 billet aluminum and is designed using a serrated/helix design...

These 7" tall, 360-degree radial flow air filters were specially designed to be installed through the M5's strut braces, maximizing airflow and mak...

The smooth one-piece sealed housing is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. Thi...

The CSF B58 Thermal Rejection Competition Spacer is the next level upgrade for the B58 Super Manifold (CSF #8200). Made from KIYLEX, a patented rev...

Cobb 11+ BMW N55 High Flow FilterThis Part Fits: Year Make Model Submodel 2011-2013 BMW 135i Base 2013 BMW 135is Base 2011-2014 BMW 335i Bas...

Cobb BMW N54 High Flow FilterThis Part Fits: Year Make Model Submodel 2011 BMW 1 Series M Base 2008-2010 BMW 135i Base 2007-2010 BMW 335i Ba...

BMC BMW 3 E46 320i / 320 Ci / 325 Carbon Dynamic Airbox Kit

Dynamic Air Scoops lower air intake temperatures by forcing more cool air from the front grilles into the factory intake tract. These scoops are c...

These 7" tall, 360-degree radial flow air filters were specially designed to be installed through the M5's strut braces, maximizing airflow and mak...

Unique Computer Designed Carbon Fiber Housing:The simple yet elegant one-piece sealed housing features our patent pending filter-to-housing interfa...

This 7” tall 360-degree radial flow air filter features a 4” oval flange and our oiled Pro 5R media with five layers of progressively finer cot...

This 7” tall 360-degree radial flow air filter features a 4” flange and our oil-free Pro DRY S media with three layers of synthetic media for m...

This 7” tall 360-degree radial flow air filter features a 4” round flange and our oiled Pro 5R media with five layers of progressively finer co...

Unique One-Piece Sealed Housing: A custom CAD designed roto-molded housing made high quality plastic eliminates the use of multiple components and ...

Sealed, molded plastic or aluminum cover provides factory style with less intake noise than open systems. Our specially engineered air box opening...

The aFe Stage 2 cold air intake system produces up to 10HP and 12lbs. x ft. torque while outflowing the factory intake by up to 20. This intake inc...

The aFe Stage 2 cold air intake system produces up to 10HP and 12lbs. x ft. torque while outflowing the factory intake by up to 20. This intake inc...

Sealed, molded plastic or aluminum cover provides factory style with less intake noise than open systems. Our specially engineered air box opening...

The Momentum GT Pro 5R Cold Air Intake provides an impressive +102% Airflow increase over stock, allowing the N20 engine to breathe and perform to ...

Unique One-Piece High Quality Housing: A custom CAD designed roto-molded housing made from heat soak resistant material eliminates the use of multi...

Want more power out of your N55? The Momentum GT Pro 5R Cold Air Intake is the best system for creating power, airflow, and maximizing performance....

Large 3-Layer Performance Air Filter:The Momentum GT intake is designed around an oil-free, large 7-1/2" tall inverted top 360 degree radial flow p...

Unique One-Piece High Quality Housing W/ Auxiliary Inlet: The smooth one-piece (Patent Pending) high quality sealed housing with auxiliary air inle...

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in...

Unique Computer Design Carbon Fiber Housings: The simple yet elegant design of the one-piece sealed housings makes installation a snap and features...

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in...

This cover is constructed of vacuum formed ABS plastic material that bolts right up to the housing. The aFe logo is front and center letting everyo...

Large 5-Layer Performance Air Filter: This sealed intake system utilizes a pre-oiled, large 5" tall conical 360 degree radial flow performance air ...

Easy to install one piece 16-gauge powder-coated heat shield requires no cutting or drilling. Stylish powder-coated steel or brushed aluminum cove...

Easy to install one piece 16-gauge powder-coated heat shield requires no cutting or drilling. Stylish powder-coated steel or brushed aluminum cove...

Easy to install one piece 16-gauge powder-coated heat shield requires no cutting or drilling. Stylish powder-coated steel or brushed aluminum cove...

This 7” tall 360-degree radial flow air filter features a 4" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton...

This 7” tall 360-degree radial flow air filter features a 4" flange and our oil-free Pro DRY S media with three layers of synthetic media for max...

These 360-degree radial flow air filters feature a 4" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze me...

These 360-degree radial flow air filters feature a 4" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum conv...

7" Tall Air Filter: This intake system utilizes an oil free, 7" tall conical 360 degree radial flow performance air filter with 5-layers of progres...

7" Tall Air Filter: This intake system utilizes an oil free, 7" tall conical 360 degree radial flow performance air filter with 5-layers of progres...

7" Tall Air Filter: This intake system utilizes an oil free, 7" tall conical 360 degree radial flow performance air filter with 5-layers of progres...