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aFe POWER 54-10601 Magnum FORCE Stage-1 Pro 5R Cold Air Intake System

BMW 525i/528i (E39) 97-03 L6-2.5L/2.8L
Part Number: 54-10601

MSRP: $414.00

In Stock. Will ship within 1-2 business days.


This air intake system produces 4 max horsepower, 5 lbs. x ft. torque and out-flows the factory intake by 71%. This system offers a washable/reusable "oiled" conical air filter with inverted top that directly mounts to a unique billet 3-angle filter adaptor that directs the air transition into the intake tract for better performance. A one-piece black powder-coated heat shield and cover requires little to no assembly for a hassle free installation. The filter is constructed with 100% polyurethane for long life and multiple cleaning cycles.

5-1/2” Conical Filter with Inverted Top: This intake utilizes a huge, 5-1/2" conical Pro 5R performance air filter with inverted top for maximum flow. This 5-layer progressive, oiled cotton gauze air filter provides maximum flow for increased horsepower and torque.

One-Piece Filter Housing: The air filter is housed in a one-piece, black powdercoated 16-gauge heat shield that keeps warm engine air out for maximum performance. This one-piece heat shield uses factory mounting locations and comes with all hardware for a hassle-free installation.

Billet 3-Angle Adaptor: A billet 3-angle adaptor is used to speed up the air flow for improved performance and throttle response.

This intake is 50-state legal for 1997-2003 models (CARB E.O Number D-550-2).

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