Aeroflow AF998-06S is a high-quality steel weld-on female NPT fitting designed for use with 3/8" NPT threads. This performance part is perfect for those looking to upgrade their vehicle's airflow and intake system. With a one-year warranty and no custom bundle, this Aeroflow product is a reliable and cost-effective solution for improving your vehicle's performance. The AF998-06S fitting is compatible with a range of vehicles and is easy to install using the included hardware. Don't settle for subpar airflow - upgrade to Aeroflow today with this top-quality NPT fitting.