that is normally about 1 week of use

or in a boat

Throttle response

High visibility

For use on Softails

DNA Air Filters - Stage 2 Air Filter Cover for ΚΤΜ 690 SMC / Enduro /R / Enduro 701 / Supermoto 701 / SM 700 / ES K-Type-Neck Guards that is normally about 1If a simple air filter replacement isnt enough to meet your performance needs and you dont want to replace your entire air box, consider upgrading to our Stage 2 (S2) Intake Kit for significant gains in airflow and engine performance. Why Choose Stage 2? Enhanced Performance: The S2 Intake Kit is designed to deliver optimal airflow to your engine, resulting in better throttle response, increased power, and improved torqueideal for race and track use.