K&N Marine Engine Flame Arrestor - Oval Tapered 3.75in Flange ID / .75in Flange Length / 4in Height 1999-mazda-miata-esi1720388 2022 Audi A3 Premium 2017-2019

2022 Audi A3 Premium 2017-2019

A fully enclosed injection molded air box connects to the factory air intake hose

The factory crank case vent tube

allowing natural light to fill the cabin and create an open and airy ambiance

K&N Marine Engine Flame Arrestor - Oval Tapered 3.75in Flange ID / .75in Flange Length / 4in Height 1999-mazda-miata-esi1720388 2022 Audi A3 Premium 2017-2019The 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 element. For high performance on the water, K&N Flame Arrestors will help you fly.