HEX Dome – JDM-Inspired Mushroom-Style Air Cleaner with Foam Filter for Harley Sportster
Inspired by classic JDM automotive intake systems, the HEX Dome reimagines the mushroom-style filter for the American V-twin. With its bold red foam dome and hex-pattern base, this air cleaner delivers both style and airflow performance to elevate your Sportster's profile.
The filter element is made of high-flow, washable foam capable of lasting over 50,000 miles with proper care. Underneath, the uniquely contoured base is extruded from carbon fiber and nylon—a lightweight, heat-resistant composite that surpasses OEM plastic components in thermal stability and airflow.
Whether you're chasing performance or simply want something striking on your bike, the HEX Dome is built to be bold and reliable. It includes all hardware and gaskets needed for a bolt-on installation—no mods required.
Specifications:
Assembly Type: Complete mushroom-style air cleaner assembly
Cover Style: Hex dome with integrated red foam filter
Base Material: Carbon fiber and nylon composite (matte black finish)
Filter: Red washable & reusable foam element (50k+ mile lifespan)
Included: Gasket, spacers, breather bolts, washers, foam filter
Construction: Lightweight, heat-tolerant, impact-resistant
Dimensions: Approx. 4.5" diameter × 2.75" height
Mounting: Bolt-on application with included hardware
Made in: USA
Inspired by classic JDM automotive intake systems, the HEX Dome reimagines the mushroom-style filter for the American V-twin. With its bold red foam dome and hex-pattern base, this air cleaner delivers both style and airflow performance to elevate your Sportster's profile.
The filter element is made of high-flow, washable foam capable of lasting over 50,000 miles with proper care. Underneath, the uniquely contoured base is extruded from carbon fiber and nylon—a lightweight, heat-resistant composite that surpasses OEM plastic components in thermal stability and airflow.
Whether you're chasing performance or simply want something striking on your bike, the HEX Dome is built to be bold and reliable. It includes all hardware and gaskets needed for a bolt-on installation—no mods required.
Specifications:
Assembly Type: Complete mushroom-style air cleaner assembly
Cover Style: Hex dome with integrated red foam filter
Base Material: Carbon fiber and nylon composite (matte black finish)
Filter: Red washable & reusable foam element (50k+ mile lifespan)
Included: Gasket, spacers, breather bolts, washers, foam filter
Construction: Lightweight, heat-tolerant, impact-resistant
Dimensions: Approx. 4.5" diameter × 2.75" height
Mounting: Bolt-on application with included hardware
Made in: USA
Inspired by classic JDM automotive intake systems, the HEX Dome reimagines the mushroom-style filter for the American V-twin. With its bold red foam dome and hex-pattern base, this air cleaner delivers both style and airflow performance to elevate your Sportster's profile.
The filter element is made of high-flow, washable foam capable of lasting over 50,000 miles with proper care. Underneath, the uniquely contoured base is extruded from carbon fiber and nylon—a lightweight, heat-resistant composite that surpasses OEM plastic components in thermal stability and airflow.
Whether you're chasing performance or simply want something striking on your bike, the HEX Dome is built to be bold and reliable. It includes all hardware and gaskets needed for a bolt-on installation—no mods required.
Specifications:
Assembly Type: Complete mushroom-style air cleaner assembly
Cover Style: Hex dome with integrated red foam filter
Base Material: Carbon fiber and nylon composite (matte black finish)
Filter: Red washable & reusable foam element (50k+ mile lifespan)
Included: Gasket, spacers, breather bolts, washers, foam filter
Construction: Lightweight, heat-tolerant, impact-resistant
Dimensions: Approx. 4.5" diameter × 2.75" height
Mounting: Bolt-on application with included hardware
Made in: USA
Fitment:
Compatible with all Harley-Davidson Sportster models from 2004 to 2020+, including both EFI and CV-carbureted engines.
No modifications required—install using the provided bolt-on hardware kit.
Why Choose the HEX Dome?
Unique mushroom filter design inspired by Japanese tuning culture
Washable red foam filter with 50,000+ mile lifespan
Carbon-nylon base offers superior airflow and heat resistance
Adds aggressive, standout styling to any Sportster build
Bolt-on fit with everything needed for installation included
Internal breather system—no external hoses required
Lightweight and performance-focused construction
FAQs:
Q: Is the HEX Dome a full intake or just a filter cover?
A: It’s a complete air cleaner assembly, including the foam filter, carbon-nylon base, internal breather system, and mounting hardware.
Q: Can I wash the red foam filter?
A: Yes—the foam filter is washable and reusable. Clean it when buildup is visible and re-oil it before reinstalling.
Q: Will this fit my 2015 Iron 883?
A: Absolutely. The HEX Dome fits all 2004–2020+ Harley-Davidson Sportsters, including EFI and carbureted models.
Q: Is this just for looks or does it improve performance?
A: Both—the red foam filter allows high airflow, and the carbon-nylon base minimizes heat soak for better throttle response.
Q: Does it include all necessary parts?
A: Yes, everything is included: gasket, spacers, breather bolts, washers, and filter for a complete, ready-to-install setup.