Boost your small engine’s airflow with this universal Vstack air filter adapter kit, built for 23cc, 33cc, 43cc, and 49cc gas scooters and Goped-style stand-ups. It’s the perfect upgrade if you're looking to improve throttle response and give your engine a cleaner, more direct air path. The kit includes all the basic hardware you need to mount a performance air filter (filter not included), making it a solid foundation for your custom intake setup. Whether you're tuning for speed or just replacing a worn-out stock part, this adapter fits a wide range of engines and setups. Lightweight, simple to install, and ready to work with your existing carb setup. If you're into tweaking your ride for better performance, this is one of those small mods that makes a real difference.