HPS Performance 4" Air Filter, 7.75" Length, 6" Base, 4.5" Top HPS-4300 Performance Seats 5 is the standard metric

5 is the standard metric thread for most modern vehicles

and improve your stopping power

If it doesn't seat properly

Touring 2005 - 2006 Nissan 350Z Grand Touring 2003 - 2005 Nissan 350Z Performance

HPS Performance 4" Air Filter, 7.75" Length, 6" Base, 4.5" Top HPS-4300 Performance Seats 5 is the standard metricHPS Performance Air Filter with 4" inside diameter and 6" element length (Part # HPS 4300) is constructed from two layers woven cotton and dressed with synthetic oil, then finally encased in a steel mesh. The result is a filtration system that allows for plenty of fresh air to maximize performance and trap dirt and debris from damaging your cars engine. Proudly made in the USA, all HPS Performance Air filters are designed with performance in mind and