Choosing the right Stage 1 air cleaner can unlock noticeable gains in airflow and throttle response for Harley-Davidson motorcycles. This guide highlights five well-matched options designed to optimize intake flow across Sportster, Dyna, Softail, Touring, and Trike models. Each pick presents a balance of high-flow performance, durability, and compatibility with common Harley engines.
| Product | Brand | Fitment Highlights | Notes |
|---|---|---|---|
| HEYOMOTOR Air Filter Cleaner for Harley | HEYOMOTOR | Softail, Touring, Dyna, Sportster 93-15/01-07 | Includes built-in crankcase breathers; easy installation. |
| YDLMT Big Sucker High Flow | YDLMT | Harley Dyna 1999-2017, Softail 2000-2015, Touring 1999-2007 | High-flow resin/metal construction; check fit before purchase. |
| XMMT Red Sucker High Flow | XMMT | Harley Big Twin Touring/Softail/Dyna 1999-2007/2000-2015 | Replacement air filter element; resin and metal. |
| Aferrizu Motorcycle Air Filter Skull Style | Aferrizu | Touring 2000-2007; Dyna 2000-2017; Softail 2000-2015 | Premium CNC-aluminum housing; attention to fitment notes. |
| TOPRAMETAL Drift Style Chrome Air Cleaner | TOPRAMETAL | Sportster 1993-2015; Dyna 2000-2017; Touring 2000-2007; Softail 2000-2015 | Chrome finish; multi-fitment capabilities listed. |
Note: Always verify fitment against your exact model year and configuration before purchase. The availability of internal crankcase breathers and specific exclusions in fitment can affect compatibility with certain model years and fuel-injection setups.
HEYOMOTOR Air Filter Cleaner For Harley

The HEYOMOTOR air cleaner intake kit is designed to boost airflow into the carburetor or throttle body while concealing internal crankcase breathers. It features an exposed filter for improved air intake and enhanced engine performance. The kit is described as easy to install on Harley models due to built-in internal crankcase breathers, a high-volume air filter, and all necessary mounting hardware. Fitment includes Type A for Sportster XL 883/1200 and Type B for Dyna FXR, Softail 2000-2015, and Touring 2000-2007 (Exclusions apply).
YDLMT Big Sucker High Flow Stage 1

The YDLMT Big Sucker Stage 1 air cleaner is designed for Harley big-twin models from 1999-2017 (Dyna), 2000-2015 Softail, and 1999-2007 Touring. It emphasizes high-flow filtration with a durable resin filter paper and metal construction. Important notes highlight exclusions for some 2008-2016 Touring/Trike and specific Softail years. Users should verify exact fitment before purchasing to ensure compatibility with their bike’s intake system.
XMMT Red Sucker High Flow Stage 1

The XMMT Red Sucker is a high-flow air cleaner element designed for Harley Big Twin Touring 1999-2007, Softail 2000-2015, and Dyna 1999-2017 (excluding certain model years). It serves as a replacement for stock air filter elements and uses resin filter paper combined with metal for durability. Potential buyers should confirm model-specific compatibility to ensure proper sealing and airflow benefits.
Aferrizu Skull Style Air Filter Kit

The Aferrizu skull-style air filter kit is designed for Touring 2000-2007, Dyna 2000-2017, and Softail 2000-2015, with exclusions noted for some high-end CVO and 2017 models. It features a CNC-machined aluminum housing for durability and a backing plate that promotes smooth airflow into the carburetor or throttle body while concealing internal crankcase breathers. The kit is intended for cable throttle with Delphi or CV carburetor-equipped models and emphasizes fitment accuracy.
TOPRAMETAL Drift Style Air Cleaner (Chrome)

The TOPRAMETAL drift-style chrome air cleaner is designed for Harley Sportster XL Iron 1200/883 (2004-2025), Dyna FXR 2000-2017, Softail 2000-2015, and Touring 2000-2007, with multiple fitment notes across Type A, Type B, and Type C configurations. The chrome finish offers aesthetic appeal while aiming to improve intake flow. Prospective buyers should review the stated fitment categories to match their specific model and year.
Buying Guide
- Fitment accuracy: Harley models span Sportster, Dyna, Softail, Touring, and Trike lines. Check year ranges and exclusions (e.g., 2008-2016 Touring/Trike, FXDLS, FXSBSE) before selecting.
- Airflow and filtration: High-flow designs increase intake efficiency but must maintain proper filtration to protect the engine. Look for resin or metal filtrations paired with a sturdy housing.
- Materials and durability: CNC-machined aluminum housings and corrosion-resistant finishes (e.g., chrome) offer longevity in varying riding conditions.
- Crankcase breathers: Some kits conceal or integrate internal crankcase breathers, impacting ease of installation and compatibility with stock or aftermarket breather systems.
- Installation complexity: Kits vary in required mounting hardware and whether the assembly aligns with Delphi CV or carburetor-based FI setups. Confirm included hardware and required tools.
- Maintenance and serviceability: Consider whether the filter is replaceable or reusable, and how easy it is to service without disassembling other components.
- Aesthetics vs. function: Drifter/chrome finishes and skull motifs may appeal visually, but prioritize airflow and fitment as primary factors for performance gains.
- Warranty and support: Review seller support and return policies, especially for aftermarket parts with nuanced fitments.