ARLEN NESS - 81-037 - Monster Sucker Air Cleaner Kit - Black
The ARLEN NESS 81-037 Monster Sucker Air Cleaner Kit is a deep-cut, CNC-billet design for 2017-2025 Harley-Davidson models using hidden-breather technology and an inverted filter top that pulls air from all sides and the front, paired with a water-resistant synthetic filter that requires no oil and is fully reusable.
Features
- Features Big Sucker “hidden breather” technology and more filter surface area for maximum performance
- Hidden breathers are O-ringed at the heads and exit out the mouth of the throttle body to provide efficient engine breathing, eliminating the need for any external hoses or hardware
- Filter features a built-in inverted top to pull in air not only from all sides of the filter but also from the front, which results in more performance-gaining airflow
- Filter is constructed from synthetic material that is water-resistant, which in most cases eliminates the need for a rain sock
- Filter is re-usable and do not require oil, just rinse and re-use
- Includes Arlen Ness forged billet cover
Specs
- Material: CNC Billet Aluminum
- Design: Deep Cut
- Finish: Anodized
- Base Color: Black
- Model: Monster Sucker
- Filter Media Material: Synthetic
- Air Cleaner Shape: Cone
- Features: Water Resistant
- Product Name: Air Cleaner
- Units: Kit
- Color/Finish: Black
- Features: Reusable
- Riding Style: Street
Frequently Asked Questions - ARLEN NESS - 81-037 - Monster Sucker Air Cleaner Kit - Black - '17-'25 Harley-Davidson
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
