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66-3150
$138.99 USD
MSRP $253.39 45.1% Off
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K&N 66-3150

Custom Assemblies > X-Stream Top Assembly
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.5 out of 5 stars   2 Customer Reviews
  • Washable and reusable air filter
  • Air filter top adds filter area
  • Improves air flow
  • Washable and reusable
Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.

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Available Information

Product Specifications

Air Filter ColorRed
Air Filter Height2.875 in (73 mm)
Air Filter Inside Diameter8 in (203 mm)
Air Filter MaterialCotton Gauze
Air Filter ShapeRound
ColorRed
Filter MaterialCotton Gauze
Inlet Diameter5.125 in (130 mm)
Mounting Hardware IncludedYes
Neck Flange5.125 in (130 mm)
Overall Height4.5 in (114 mm)
Product Box Height4.81 in (122 mm)
Product Box Length9.19 in (233 mm)
Product Box Width9.13 in (232 mm)
Product StyleCustom Assemblies
Replacement FilterE-3530
Size9 Inch
StyleStandard
Top Material/FinishBlack Powder Coated
Top StyleX-Stream
Weight2.3 lb (1.1 kg)

K&N 66-3150 Product Reviews

Saturday, July 2, 2016 - Part 66-3150
I was hoping the entire unit wss powder coated black. The bottom flange is silver (not even highgloss chrome) and should be black anodized as is the top cover. It seems I need to paint the bottom flange a satin black so the unit doesn't look mis-matched. Kind of disappointed.

Bruce Sutherland
Lodi, California
Wednesday, October 22, 2014 - Part 66-3150
I have owned my 86 Olds 442 since I was 15. This June I turn 26 and the car has always had a KN air filter. The same one I put in it when I first bought it. Since I always used the KN Xtreme filter top on my Late model why not use it in the Olds. They didn't make one at the time but since then KN has produced a filter top that fits GM standard air boxes. KN has saved this Olds close to 18,000 gal. of gas when added all up over the last couple of years. Thanks to all the engineers at KN for top of the line filters. The horsepower in my racecars is 2nd to none thanks to the KN crew.

Jacob Coffin
Statesville, North Carolina