BMW 5 Series aFe MagnumForce Pro-5R Stage 1 Air Intake System - 54-10471

BMW 5 Series aFe MagnumForce Pro-5R Stage 1 Air Intake System - 54-10471
Gain up to 10HP and 20TQ!
5 Layered Washable/Reusable Filter with Oiled Cotton Gauze
Maximum Performance
Fits: 1997-2003 BMW 5 Series 540i (E39) V8-4.4L

This air intake system produces 10 max horsepower, 14lbs. x ft. torque and out-flowed the factory intake by 62%. Includes a durable 16 gauge, powder-coated heat shield; this air intake system features a washable/reusable conical air filter that improves airflow. This intake system incorporates a unique 3-angle filter adaptor that smooths air transition into the intake tract for better performance. One-piece heat shield requires little or no assembly and the filter is constructed with 100% polyurethane for long life and multiple cleaning cycles.

Stage 1 Air Intakes
For a great value and easy installation our STAGE 1 air intake systems adds instant horsepower and torque.

Featuring:

Sealed element: Air filter element is completely enclosed

Substantial HP gains from improved airflow 11-19 HP GAIN

Noticeable low end torque gains 10-20 LB-FT TQ GAIN

Noticeable sound: Great engine noise improvement

One-piece steel heat shield/air box, uses stock intake tract

Pro-5R Air Filter
For performance minded customers. Featuring maxinum airflow for maximum performance with the highest air flow progressive-media filter available.

Featuring:

Maximum airflow, maximum gains

Progressive filtration with protection and performance

Pro 5R provides the highest airflow levels for the largest gains in horsepower and torque for times when performance is everything

Only aFe's Pro 5R media is progressive in nature, offering 5 layers of progressively more tightly woven cotton gauze for protection levels in the high 98% range without sacrificing airflow

Advanced Flow Engineering, Inc. (aFe)
aFe produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter.

aFe is a team of engineers, machinists, production and sales people who believe in the product we design. We each have years of experience in our respective positions and together work to ensure that we have the best product on the market. aFe's purpose was not just to be another vendor that offers air filters, we chose to pay attention to those finer details that set an aFe filter apart from the competition.