K&N E-1987

Universal Air Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.7 out of 5 stars   6 Customer Reviews
List Price: $97.85
Your Price: USD $62.99

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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 virtually every vehicle 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]
  • 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®

Product Specifications

Air Filter ShapeRound Tapered
Base Outside Diameter6 in (152 mm)
Filter MaterialCotton Gauze
Filter Re-Oiling Amount2.12 oz (63 ml)
Flange Inside Diameter3.625 in (92 mm)
Flange Length0.625 in (16 mm)
Flange TypeCentered
Height6.063 in (154 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height7.25 in (184 mm)
Product Box Length6.5 in (165 mm)
Product Box Width6.5 in (165 mm)
Product StyleUnique Universal Air Filter
Top Material/FinishNone
Top Outside Diameter5.063 in (129 mm)
Top StyleRubber
Weight1.7 lb (0.8 kg)

Product Reviews

Review part E-1987
Wednesday, November 18, 2015 - Part E-1987
I purchased the E-1987 air filter for my 2012 Audi Q5. Installation was easy, just needed to take the plastic air box on the left side of the engine compartment apart, swap the filter out, and put the box back together. It only took about 15 minutes. The K&N filter provides a little throatier sound plus it seems to make the engine a little bit more responsive than with the OEM filter. Haven't really noticed a change in MPG, if there is any it's negligible. Given that I'll never need to change the air filter in this vehicle again, plus with the other minor improvements I mentioned, to me it's well worth the purchase price.

Fred Gervais
La Crescenta, California
Tuesday, October 27, 2015 - Part E-1987
Excellent product: washable / serviceable and it even has the OEM type mounting studs to secure the filter (some others have a large worm gear band to fasten filter to MAF sensor tube and thus not as secure) .  I have two of these K&N filters and therefore I can quickly exchange while I clean/soak/lube the other; one is always ready for install at service time. Well done K&N.

Stefan Czechorski DDS
Thursday, October 15, 2015 - Part E-1987
For my 2014 Audi S5. The start hesitation is gone. The engine roar is louder. The shaking is gone. 0-60 improved.

Santa Clara, California
Wednesday, February 18, 2015 - Part E-1987
Product was exactly as advertised. Perfect fit, easy installation!!! Not sure if horsepower was increased, but engine response is much quicker with a noticeable mpg increase! !!

Thursday, July 31, 2014 - Part E-1987
Delivery was fast even with standard shipping. Install was a little tricky but not because of the filter but because of my vehicle (2011 Audi Q5 3.2 V6 Quattro). The screws did not align exact with the housing but nothing a pair of pliers didn't fix by bending them just ever so slightly. Other than that, I love the filter. I am unsure if this added any more horsepower but I didn't notice a little more pep and get up and go after the install. Fuel economy seems the same but I hadn't been recording the mileage. In conclusion, I am very satisfied. P.S. MAKE AN AIR INTAKE FOR MY VEHICLE AND I'LL BUY IT!!

Alex Hernandez Jr
Monday, April 28, 2014 - Part E-1987
Very good air filter. Had similar product in two BMW M3s in the past. Highly recommend them. Not sure if it increases HP but they are easy to clean and last a long time.

A. DL.
Washington DC