Vance and Hines Blade Air Intakes — 1991-2021 Harley-Davidson Sportster 91

Vance & Hines VO2 Blade air intake for 1991-2021 Harley Sportster 91, featuring a CNC-machined billet cover with patent-pending Force Velocity Stack and high-capacity washable filter element. Carb-exempt configuration rated for street use on eligible model years.

Features

• Patent-pending Force™ Velocity Stack
• CNC-machined billet cover
• High-capacity washable air filter element
• Available in Chrome or Black Contrast finish
• Carb-exempt for 2007-2022 Sportster models

Specifications

• Brand: Vance & Hines
• Manufacturer Part #: 40389
• Weight: 4.2 lb
• Category: Air Intake Systems / Short Ram Air Intakes
• Finish Options: Chrome or Black Contrast
• WARNING: Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov

Fitment

Fits 1991-2021 Harley-Davidson Sportster 91 models. Carb-exempt on 2007-2022 Sportster models; check local emissions compliance for other model years.

Frequently Asked Questions

Does this require a tuner or ECM flash?

Retuning is recommended to optimize fuel delivery with the increased air flow, though not always required depending on your carburetor setup.

Is the filter washable and reusable?

Yes — the high-capacity filter element is washable and can be cleaned and re-oiled, reducing long-term maintenance cost.

Will this fit my 2007+ Sportster with stock electronics?

Yes. Carb-exempt certification applies to 2007-2022 Sportster models. Verify local emissions rules before installation.

What finish options are available?

Chrome or Black Contrast finish — choose the one that matches your bike's style.

Does it increase horsepower?

The Force Velocity Stack and high-flow design improve air delivery. Actual HP gains depend on your engine tuning and fuel curve.

California Proposition 65 Warning

WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov