aFe Pro 5R Air Intake System 14-19 GM Silverado/Sierra V8-5.3/6.2L Color:Silver There are three additional cast

There are three additional cast in bosses provided to allow for alternate testing points

The AEM-29-0011WR performance strut bar provides additional vehicle stability on various Subaru WRX and WRX STI models

All aFe exhaust systems are engineered and manufactured in our Corona

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aFe Pro 5R Air Intake System 14-19 GM Silverado/Sierra V8-5.3/6.2L Color:Silver There are three additional castLarge Five Layer Performance Air Filter: This 360 degree radial flow air filter features a 5" flange and our pre oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance It provides your engine with the largest amount of high flowing air and delivers the highest power gains in most cases. This media is perfect for street use. Its inverted top makes for more filter surface area, resulting in longer service