09-19 HARLEY XL883N: Cobra PowrFlo Air Intake System (BLACK) The PowrFlo Air Intake system looks great and performs even better. Improved air flow is one of the keys for improved engine performance.Though you might be tempted to install Cobra's new PowrFlo Air Intake just because it looks better than stock, you'll be getting a lot more than a great styling update. With Cobra's PowrFlo Intake system you'll see improved performance across the power band, especially when used with Cobra&reg; exhausts or mufflers and the Fi2000R digital fuel tuner to optimize the air/fuel ratio.Unique internal venturi design promotes m NOT legal for operation on public highways in the state of California.