ARLEN NESS - 18-751 - Big Sucker Stage I Air Filter Kit - Black
The ARLEN NESS 18-751 Big Sucker Stage I Air Filter Kit features a CNC-billet aluminum backing plate with hidden breather technology — a closed-loop system with O-ringed passages exiting inside the throttle body — and a handmade, pre-oiled surgical-grade cotton filter that increases horsepower and torque on 1999-2017 Harley-Davidson models.
Features
- One-Piece aluminum backing plate with hidden breather technology
- Each hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system, eliminating the need for any external hoses or hardware
- Radius air inlet provides maximum performance by providing unobstructed airflow
- All necessary hardware and instructions are included
- Pre-Oiled high performance filter is washable and reusable
- Performance filter is made from 4 layers of surgical grade cotton
- Increases horsepower and torque
- Performance filter is handmade in the USA
Specs
- Riding Style: Street
- Color/Finish: Black
- Design: Knuckle
- Filter Media Material: Surgical-Grade Cotton
- Units: Kit
- Base Color: Black
- Model: Big Sucker
- Air Cleaner Shape: Round
- Features: Compatible with OEM Air Cleaner Cover
- Material: CNC Billet Aluminum
- Product Name: Air Filter Kit
Frequently Asked Questions - ARLEN NESS - 18-751 - Big Sucker Stage I Air Filter Kit - Black - '99-'17 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.
