- 2002-2005 WRX
- 2006-2007 WRX
- 2004-2007 STi
- Brand: Apex Integration (A'PEXi)
- Series: Power Intake Panel Filter
- Manufacturer's Part Number: 503-N101
- UPC: 4942580252331
- Condition: New Product
Some manufacturers of performance air filters make aggressive claims about their filter's ability to make power, but leave out the fact that their filters are not effective at filtering dust and dirt. Consider the wear and tear that will result from insufficient filtration.
The Apex Power Intake filter element is engineered to minimize air flow restrictions without compromising its ability to filter contaminants from the induction air stream. We proudly expand the usage of the Power Intake filter element by incorporating it into a line of drop-in, factory-replacement filters. A little TLC for your daily driver.
The Power Intake is dry-type filter and is trouble free. Some of the problems associated with wet type cleaners, such as oil sticking to the air flow meter, are a thing of the past. The Power Intake is basically maintenance free. Filter replacement, when necessary, can be done at a very low cost.
Filter life has been tested to operate over 25,000km (15,000mi) under normal street driving conditions. Filter maintenance and overall life differs depending upon conditions under which the filter is used. Inspect for wear and tear, use best judgment, and replace if damage is suspected.
The filter can be cleaned by blowing compressed air through the filter, opposite the direction of inbound airstream. This filter is designed for use as a dry-type filter. Do not apply filter oil to this filter as it was not designed to utilize such oils. Water, cleaning solvents, and other liquids may damage the filter and must not be used to clean the filter.
Progressive-density filter element improves power and efficiency, without compromising ability to filter dust and dirt
Dry-type filter element requires no oiling, and will not foul air flow sensors
Ideal for light-tune cars, and cars that develop problems with idle and throttle response issues when the factory air box is removed
Factory replacement filter installs in minutes
Easy Cleaning and maintenance
Part Number: 503-N101
Year: 2002, 2003, 2004, 2005, 2006, 2007
Model: Impreza WRX, Impreza WRX STI
Body Style: All
Engine: EJ20, EJ25
Intake Type: Power Intake Panel
Intake Length: 279mm (10.98 in)
Intake Width: 167mm (6.57 in)
Intake Height: 27mm (1.06 in)
OEM P/N Cross Reference: Subaru- 16546-AA020
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