Big Sucker™ Stage I Air Cleaner Kit – Chrome (Hidden Breather System)

High-Flow Filtration & Clean Design for Harley-Davidson Dyna Models

The Big Sucker™ Stage I Air Cleaner Kit delivers legendary performance and a clean, hose-free design for Harley-Davidson Dyna riders. Featuring hidden breather technology and a radius air inlet for maximum flow, this system eliminates the need for external hoses while maintaining optimal crankcase ventilation. The one-piece aluminum backing plate integrates seamlessly with OEM hardware, while the pre-oiled, washable red cotton filter ensures long-lasting airflow and engine protection. Finished in show-quality chrome, it combines style, performance, and precision — engineered in the USA for riders who demand results.

⚠️ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
CARB Exempt: Per Executive Order E.O. #D-639-10 (for 2001–2022 EFI models only).

Key Features

• Hidden breather system O-ringed at the heads and vented at the mouth for efficient, hose-free engine breathing
• One-piece aluminum backing plate with integrated breather passages
• Radius air inlet provides smooth, unrestricted airflow for maximum performance
• Pre-oiled red filter element with four layers of surgical-grade cotton for superior filtration
• Washable and reusable design for long-term use
• Compatible with OEM round Arlen Ness® Stage I air cleaner covers
• Includes all necessary hardware and installation instructions
• CARB compliant for EFI models
• Made in the USA

Performance & Fitment

Perfect for Harley-Davidson Dyna models (2008–2017), including Low Rider S, Street Bob, Fat Bob, and Wide Glide, the Big Sucker™ Stage I Air Cleaner increases horsepower and torque while maintaining a clean, integrated look. Whether you’re upgrading a stock engine or building a Nowaskey Performance Bagger, this air cleaner delivers the flow and reliability needed for street or performance use.

Compatible Models Include:

• Dyna: Street Bob, Low Rider, Fat Bob, Wide Glide, Super Glide Custom (2008–2017)
• CVO Models: FXDFSE / FXDSE2
• Low Rider S: FXDLS (2016–2017)

Model: Big Sucker™ Stage I
Material: Aluminum
Finish: Chrome
Filter Media: Surgical-Grade Cotton (Pre-Oiled)
Shape: Round
Features: Hidden Breather, OEM Cover Compatible
Units: Kit
Weight: 2.69 lbs
Dimensions (L x W x H): 9.05" x 8.07" x 5.47"
Country of Origin: Made in the USA