K&N E-2999 High-Flow Performance Air Filter for Audi A8 & A8 Quattro 2010-2018 | Washable Reusable Engine Air Filter

The K&N E-2999 is pre-oiled and ready to install directly into your factory airbox, making it one of the easiest performance upgrades available for Audi A8 owners. Its high-flow design helps optimize engine breathing while maintaining up to 99% filtration efficiency.

Key Benefits:
• Improves horsepower and acceleration
• Enhances engine airflow and throttle response
• Up to 99% filtration efficiency
• Premium multi-layer cotton gauze filtration media
• Washable and reusable lifetime design
• Service interval up to 75,000 miles under normal driving conditions
• Direct OEM replacement fit
• Pre-oiled and ready for installation
• Environmentally friendly alternative to disposable filters
• Backed by K&N's Lifetime Limited Warranty

Vehicle Compatibility:
Audi A8 (2011-2018)
Audi A8 Quattro (2010-2018)

Engine Applications:
2.0L L4 Gas
2.5L L5 Gas
3.0L V6 Gas
3.0L V6 Diesel TDI
4.0L V8 Gas
4.2L V8 Diesel

Cross References:
Audi OEM: 4H0129620D
Audi OEM: 4H0129620L
BMC: FB743/08
WIX: 49243
Premium Guard: PA99142
Ryco: A1302
Vaico: V10-4309
Wesfil: WA5410

Specifications:
Part Number: E-2999
Filter Type: High-Flow Replacement Air Filter
Filter Shape: Round
Filter Material: Cotton Gauze
Washable: Yes
Outside Diameter: 6.25 in (159 mm)
Height: 7.75 in (197 mm)
Flange Inside Diameter: 4 in (102 mm)
Overall Filtration Efficiency: Up To 99%

Whether you're looking for improved performance, long-term savings, or superior engine protection, the K&N E-2999 air filter delivers premium filtration and airflow for your Audi A8 or A8 Quattro.