• Guaranteed to increase horsepower
• Designed to improve throttle response and engine sound
• Replaces entire factory air intake system
• Not legal for highway use in states adopting California emission regulations
• Washable and reusable lifetime air filter
• Lasts up to 100,000 miles before service is required (depending on driving conditions)
• Easy to install, usually in 90 minutes or less
• K&N No-Hassle Lifetime Limited Warranty

Replacement Filter RU-5059
Air Filter Color Red
Air Filter Material Cotton Gauze
Air Filter Outlet Shape Round
Clamps Included 2
Clamp Material Stainless Steel
Clamp Style Regular
Couplers Included None
Type Gen I
Product Style 57i Series International Kits
Intake Pipe Color / Finish Black
Intake Pipe Material Flex Hose
Street Legal In All US States Not legal for sale or use in California on any pollution controlled motor vehicle.
TUV Approved (Europe) No
Weight 2.8 lb (1.3 kg)
Product Box Height 9.13 in (232 mm)
Product Box Length 9.13 in (232 mm)
Product Box Width 9.13 in (232 mm)
California Restricted Not legal for sale or use in California
Mounting Hardware Included Yes
Warranty No-Hassle Lifetime Limited

2004 Audi A4:

• All Models
  Street Legal in All US States: No

2003 Audi A4:

• All Models
  Street Legal in All US States: No

2002 Audi A4:

• All Models
  Street Legal in All US States: No

2001 Audi A4:

• Turbo
  Street Legal in All US States: No

2000 Audi A4:

• Turbo
  Street Legal in All US States: No