APEXi® Power Intake Filter Adapter Flange and MAF Adapter (500-AA08) 2504 The XLPE that Injen uses

The XLPE that Injen uses has 20 times the environmental stress crack resistance of HDPE

In addition to the impressive power increase

This Cat-Back(tm) exhaust system is engineered for performance and has our ATAK(r) sound

Special Comments: 4WD 2008 Ford Expedition Engine: 5

allowing bumper depth to be set according to your personal taste

APEXi® Power Intake Filter Adapter Flange and MAF Adapter (500-AA08) 2504 The XLPE that Injen usesPower Intake Filter Adapter Flange and MAF Adapter (500 AA08) by APEXi. 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