K&N Engineering K&N Marine Engine Flame Arrestor 5-1/8in Flange / 8in ID x 9in OD / 2.75in Height - 59-3364 $241.99 The K&N Flame Arrestor makes the best air-filtration technology available for marine engine use. Marine application owners can experience the increased horsepower and engine protection provided by K&N's oiled cotton gauze and epoxied screen filter... Add to Cart