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A simple 30 minute install will give you a huge increase in power. The aFe POWER SCORCHER GT Module includes a high quality case & wire harness...

A simple 30 minute install will give you a huge increase in power. The aFe POWER SCORCHER GT Module includes a high quality case & wire harness...

Put up to 40hp and 51lbs. x ft. torque to your N54 today! The aFe Power SCORCHER Module is designed to alter the pressure sensor signals to increas...

A simple 30 minute install will give you a huge increase in power. The aFe POWER SCORCHER GT Module includes a high quality case & wire harness...

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

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque a...

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque a...

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

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque a...

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque a...

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque a...

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque a...

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 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 maxim...

Momentum’s unique filter-to-housing interface was built to feature the largest air filter possible. This 360-degree radial flow air filter features...

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 cotton...

Large Five Layer Performance Air Filters: These 6" tall 360-degree radial flow air filters feature our pre-oiled Pro 5R media with five layers of p...

Upgrade your Z4 M Coupe exhaust with the Twisted Steel 2 ½" race pipe. Mandrel bent from 304 stainless steel tubing for maximum exhaust flow and co...

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

Long Tube Headers: Formed Collectors: 3-to-1 mitered collectors decrease turbulence and increases exhaust velocity. The result is increased horsepo...