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E-0646
$77.99 USD
MSRP $121.00 35.5% Off
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K&N E-0646 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   2 Customer Reviews
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
The K&N E-0646 Air Filter fits some Audi A4, Audi A4 allroad, Audi A4 Quattro, Audi A5, Audi A5 Quattro, Audi A5 Sportback, Audi Q5 II, Audi RS4, Audi RS5, Audi S4, Audi S5, and Audi-Faw A4 models. See vehicle applications link for details.
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapeUnique
Filter MaterialCotton Gauze
FlangesNone
Height5.5 in (140 mm)
Package Contents1 Air Filter
Package Quantity1
WashableYes
Product StyleUnique Air Filters
Outside Diameter6.625 in (168 mm)
Inside Diameter3.5 in (89 mm)
Weight1.8 lb (0.8 kg)
Filter Re-Oiling Amount2.83 oz (84 ml)
Product Box Height7.13 in (181 mm)
Product Box Length7.06 in (179 mm)
Product Box Width7.06 in (179 mm)
Inner WireNo
Warranty1,000,000 Miles/10 Year
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N E-0646 Air Filter Product Reviews

Wednesday, September 12, 2018 - Part E-0646
Installed in my 2016 2.0lt Audi.... perfect fit and yes its made a difference, both in sound and performance. Highly recommended.

Shawn
Auckland, New Zealand
Monday, September 10, 2018 - Part E-0646
No issues with fitment in my B9 A5... pretty easy job swapping the stock filter out for the K&N. Given the cone design, the factory air box is almost superfluous.

Andy
Los Angeles