aFe Magnum FLOW Pro 5R Replacement Air Filter (Pair) F-3.5 / B-5 / T-3.5 (Inv) / H-8in. 1985-oldsmobile-firenza-brougham-lx-esi1396339 Combined with high-quality T-304 stainless

Combined with high-quality T-304 stainless steel construction and double-walled rolled-edge polished T-304 stainless steel tips

Give your ZR2 orAT4X the sound it deserves

Made with plate steel and constructed in a modern box design

A throaty upgrade to the stock system

aFe Magnum FLOW Pro 5R Replacement Air Filter (Pair) F-3.5 / B-5 / T-3.5 (Inv) / H-8in. 1985-oldsmobile-firenza-brougham-lx-esi1396339 Combined with high-quality T-304 stainlessConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings.