ARLEN NESS - 18-307 - Big Sucker Stage 1 Air Filter Kit - Chrome
The ARLEN NESS 18-307 Big Sucker Stage 1 Air Filter Kit for 2017-2025 Harley-Davidson is a chrome-finished system with a hidden breather backing plate that directs excess oil back into the engine, using a black pre-oiled cotton performance filter with a smooth radius inlet and proprietary breather tubes for maximum airflow and filtration.
Features
- Each breather is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary breather tubes
- Breathing system eliminates oil issues associated with the M8 engines by directing any excess breather oil back into the engine
- Kit includes one-piece backing plate, breather tubes, performance filter, filter top, gaskets, oil reservoir and necessary hardware
- High performance filters are made from black pre-oiled cotton for the best in airflow and filtration
- Hidden breather backing plate technology is a step up from the original system
- High performance filters are made from black pre-oiled cotton for the best in airflow and filtration
- Smooth radius air inlet for unobstructed air flow
Specs
- Model: Big Sucker
- Design: Smooth
- Filter Media Material: Pre-Oiled Cotton
- Material: Steel
- Units: Kit
- Air Cleaner Shape: Round
- Base Color: Silver
- Features: Pre-Oiled
- Features: Washable
- Riding Style: Street
- Color/Finish: Chrome
- Features: Reusable
- Product Name: Air Cleaner
Frequently Asked Questions - ARLEN NESS - 18-307 - Big Sucker Stage 1 Air Filter Kit - Chrome - '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.
