Update kit for Mach 2 Co-Ax air cleaner—improves airflow and simplifies servicing.
Active filters
- Availability: In stock
Pre-oiled, washable four-layer surgical-grade cotton filter; one-piece backing plate with hidden breather design; includes all hardware and instructions. Handmade in the USA.
Retro-style air cleaner kit with included mounting hardware and a reusable filter element for easy maintenance.
Bolt-on high-flow intake assembly that improves throttle response and mid-range torque.
- Hidden-breather design vents at injector/carb mouth
- Radius inlet for unobstructed airflow
- One-piece backing plate with integrated breather paths
- Includes all hardware and installation instructions
High-flow intake kit that boosts horsepower, includes cover, backing plate, filter element and installation hardware; made in the USA.
Replacement tear-drop backplate. Made in the USA. Sold individually.
Built-in stinger cone reduces turbulence and increases airflow. Kit includes backing plate, filter and hardware. Made in the USA.
High-flow reusable air cleaner with snap-in velocity stack and hidden breather. Made in the USA.
- Precision billet backing plate with integrated breather
- Snap-in velocity stack for improved airflow
- Reusable high-flow filter — clean and re-oil
- Dyno tested and made in the USA
- Increased filter area with radiused inlet and stinger cone for improved airflow.
- Includes back plate, filter element, top cover, hardware, and instructions.
- Cover sold separately; can be run without a cover or paired with an OEM-type 1999‑later Big Twin cover.
- EU-approved for legal use where applicable.
- Increased filter area for improved airflow
- Includes back plate, filter element, top cover, hardware, and instructions
- Cover sold separately; can be used without cover or with OEM-type 99-later Big Twin cover