16″ Conical High-Flow Race Air Filter; Replacement for K&N 28-4125

This high-flow race air filter is designed to fit many popular formula cars using an intake scoop. Intake end can be easily deformed into an oval to fit a variety of air inlet scoop designs. Air filter style: Conical Length: 16″ Inlet O.D.: 4-7/8″ / 14.9″ Circumference Inlet I.D.: 3-3/4″ Outlet O.D. (Small End): 2″ Outlet I.D.: 1/2″ The small end has a 1/2″ drain opening to allow small debris and water to escape as well as allow for mounting bracket support tube fitment. Effective Filtering Area: 173 square inches (enough for a 350 V8 revving to 10,000 rpm!). Filter media is 0.52mm thick 80g spunlace non-woven 100% polyester fabric. Direct replacement of the now discontinued K&N filter 28-4125. Fits the standard intake scoop for Zetec FC’s, DP08 (original part #EPM-0003), DP02 (IMSA Lite), Ralt FA/ Super Vee. Note: (does not fit the cowl intake on Pinto-engine Van Diemen FC). Depending on your air intake scoop sizing, may require some modification such as trimming out a few folds of the filter to reduce the diameter. To purchase carbon fiber air intake scoop, backing plate, filter mounting bracket, and air filter as an entire assembly or just individual parts, see listing: 02BE2002