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SKU: BU-9003 | UPC: 024844107862
K&N Buell Firebolt Lightning Ulysses Replacement Air Filter BU-9003 2002-2010
The K&N BU-9003 is a direct replacement high-flow air filter for Buell Firebolt Lightning and Ulysses motorcycles from 2002 to 2010. Engineered with low restriction design this filter increases airflow for more horsepower and torque while protecting your engine. Washable and reusable it comes pre-oiled ready for immediate installation and long-term use.
Key Features
- High-Flow Design: Custom engineered for Buell models with application-specific base seal and sealing bead to deliver low restriction and boosted performance
- Power Gains: Increases horsepower and torque through enhanced airflow without sacrificing engine protection
- Filtration Media: Multiple layers of woven cotton gauze provide superior filtration in a pleated design for large surface area and extended service life
- Durability: Made in the USA with over 40 years of manufacturing expertise washable and reusable for repeated performance
- Warranty: Backed by No-Hassle Lifetime Limited Warranty for peace of mind
Product Notes
- Pre-oiled and ready to ride drop-in replacement for stock air filter element
- Clean with K&N cleaning kit and re-oil for optimal performance every 50,000 miles or as needed
- Ships in protective packaging weighs 0.6 lb (0.3 kg) with product dimensions 7.5 in L x 5.5 in W x 1.5 in H
Installation Notes
- Professional installation recommended.
- Direct fit replacement removes stock filter and installs BU-9003 in minutes no modifications required
- Compatible with factory airbox and hardware on all listed Buell models
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Buell | XB9R Firebolt | Base |
| 2003-2004 | Buell | XB9S Lightning | Base |
| 2004-2010 | Buell | XB12R Firebolt | Base |
| 2004-2008 | Buell | XB12S Lightning | Base |
| 2005-2007 | Buell | Lightning CityX XB9SX | Base |
| 2005-2010 | Buell | XB12Scg Lightning | Base |
| 2007-2010 | Buell | XB12Ss Lightning Long | Base |
| 2008 | Buell | XB12STT Lightning Super TT | Base |
| 2006-2010 | Buell | XB12X Ulysses | Base |
| 2008-2010 | Buell | XB12XT Ulysses | Base |
| 2009-2010 | Buell | Lightning CityX XB9SX | Base |
| 2009-2010 | Buell | XB12XP Ulysses Police | Base |
Why Choose K&N?
- Trusted leader in high-performance filtration for motorcycles over 40 years
- Proven gains in horsepower and torque across thousands of applications
- Precision engineering with exact fit for Buell airboxes and cotton gauze media
Frequently Asked Questions
-
Q: Does the BU-9003 fit my 2004 Buell XB12R Firebolt?
A: Yes it is a direct replacement for 2004-2010 Buell XB12R Firebolt Base models with no modifications needed -
Q: What material is used in this air filter?
A: Multiple layers of woven cotton gauze in a pleated design for maximum airflow and filtration efficiency -
Q: What is the warranty and maintenance for this filter?
A: No-Hassle Lifetime Limited Warranty washable and reusable clean every 50,000 miles using K&N service kit
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective box dimensions 8.3 in x 6.2 in x 2 in
- Weight: 0.9 lb (0.4 kg) shipping weight
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