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K&N X-Stream Air Filter

K&N X-Stream Air Filter - Main
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K&N X-Stream Air Filter - Main
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Retail: $107.99 - $121.99
$97.99 - $109.99
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Product Description

K&N XStream Series Motocross Air Filters take performance to the next level with the addition of a filter within the filter's top in order to add even more filtration area for high air-flow and capacity. Each filter piece has pleated media which creates a large surface area that provides high airflow and great dirt holding capacity for extreme conditions. The two-piece design eases installation and removal on modern narrow-framed MX bikes. The epoxy-coated aluminum wire mesh, incorporated into a backfire screen, protects the filter element from harmful debris. A custom base seal ensures a precise and secure fit. K&N air filters are washable and re-usable and they come pre-oiled and ready to use.

  • Ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude.
  • Pleated cotton filter allows for 2 to 3 times the filtration area of a foam filter, increasing filtration and air flow.
  • Easy installation, changing and cleaning.

Filter Specifications:

  • Product style: Unique air filters.
  • Filter material: Cotton gauze.
  • Flanges: None.
  • Height: 3 inches (76 mm).
  • Weight: 1.8 pounds (0.8 kg).

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  • Customer Reviews
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(52)
4.6 out of 5 stars
5 star   41
4 star   6
3 star   1
2 star   2
1 star   2
Write a Review
“ this is the best looking air filter ive had in my bike the colors match the bike perfect and all that... ”
theman1 Location: houston tx
“ A excellent upgrade, to any bike. ”
SMO72 Location: Doral , FL
“ i bought the powercore 4 slip-on and purchase the powerbomb header separately, which made a full syst... ”
Tyler24 Location: Kenai, Alaska
1-10 of 52
Overall
Durability
Ease of Installation
Performance
Style
Verified Purchaser Featured
Location: Buena Park, CA
Quality Product
Shipping was timely, installation was easy, and performance is great! I would recommend this filter for a YZ250 all day!
Overall
Durability
Ease of Installation
Performance
Style
Location: Redding, Ca
Great Buy
Highly recommend. increase in throttle response an sound.
Overall
Durability
Ease of Installation
Performance
Style
Location: houston tx
Loooooks great!
this is the best looking air filter ive had in my bike the colors match the bike perfect and all that and fits just right only problem is ive noticed it took my bike down about 4.2/3 horsepower so i would just stick with twin air this is only good if your lookin to show off your ride
Overall
Durability
Ease of Installation
Performance
Style
Verified Purchaser
Location: Doral , FL
Air Filter
A excellent upgrade, to any bike. Would suggest purchasing KN filter oil with this product.
Overall
Location: Mohnton PA
Easy power increase
I would definetly recommend this product. Not a gigantic power increase, but I could definetly tell some difference from my old foam filter.
Overall
Location: Kenai, Alaska
Big power!
i bought the powercore 4 slip-on and purchase the powerbomb header separately, which made a full system. I purchased the K&N filter to compensate for the added exhaust, so i then had to re-jet and went with a FMF (DJ) jet kit. the K&N filter added incredible amounts of air flow and was easy to install, it lasts longer between cleans, and is very mess free when washing and oiling. with the combo of these three items my bike rips!
Overall
Top 250 Contributor
Location: Gresham, Or
I like it. ...
A lot of people at the track steer clear of these, i have been running them my whole life, saves tons of money hassle and mess, i have never had a problem. keep a k&n for the life of the bike, and a filter maintenance kit you will never buy a filter again.
Overall
Location: Kentucky
Great air filter!
K&N does it again with this great product. It fit great and increased horsepower. This filter is simply the best.
Overall
Location: new orleans
Great buy
This K&N airfilter is awsome well right out of tha box into the bike pre oiled just aplly sealing grease 5min easy instilation,clean seal an smother throttle respons.didnt expect it would make the difference it made.an not to mention motosport has the best shipping,never past time of arrival an havent had any damaged products yet
Overall
Location: falmouth mi
DO NOT BUY!!!
worst product for the money really expensive will not stop dirt particles from entering it will let it go right through the carb and into the head causing you to replace your entire top end costing you about 2,000 dollars worst product made never again will i ever purchase a K&N...
1-10 of 52
Total Questions (6)
Questions with answers:
  6
Questions without answers:
0
Have a question?
“ Will this fit on a 2005 CRF450X or does it just fit the R?... ”
sweet
“ Is this a good enough filter for use in sand?... ”
“ What's the bottom line on these?... ”
MatadorMkV Location: Acme, PA
1-6 of 6
sweet Over 3 years ago
Will this fit on a 2005 CRF450X or does it just fit the R?
MotoSport Staff
Over 3 years ago Location: Tualatin
no this will only fit the 450R. K&N does not make an air filter for the 450X at this time.
Answer this Question
Over 4 years ago
Is this a good enough filter for use in sand?
MotoSport Staff
Over 4 years ago Location: Portland, OR
Personally I wouldn't run this filter in the sand unless I had an outerwear on it.
Answer this Question
dylankx250f Over 4 years ago
Will i have to change my jetting specs?
MotoSport Staff
Over 4 years ago Location: Portland, OR
Most likely, it depends on where you are located and what you have done to your bike. I would install the filter and see how the machine responds to it and then take it from there.
Answer this Question
MatadorMkV Over 4 years ago Location: Acme, PA
What's the bottom line on these?
Many claim that they pass too much dirt to be used safely on bikes such as a CRF450R. Any truth to this? What do the experts really think?
MotoSport Staff
Over 4 years ago Location: Portland, OR
As long as you stay up on the maintenance and keep it oiled up you shouldn't have any issues with dirt sucking through. I wouldn't recommend this filter in the sand though. And just as an extra precaution you can always pick up a filter skin to help block out the elements.
Answer this Question
moto685 Over 5 years ago
Can you use k&n car filter oil?
Expert MotoSport Staff
Over 5 years ago
Unfortunately we only sell the off-road filters and not the automobile filters. They are different divisions within their company. I do know they use the same material to construct the filters whether its for 2 or 4 wheel. So why wouldn't the same filter cleaner and oil be used used for either application. But to be safe I would contact K&N directly and ask them.
Answer this Question
EBJR Over 5 years ago Location: Ventura County CA
How is the filter cleaned?
MotoSport Staff Expert
Over 5 years ago
Best thing to do is get the K&N cleaning kit and follow the instructions. That's what K&N recommends and it keeps all applicable warranties in place.
Top 1000 Contributor
Over 5 years ago Location: Mesa AZ
take it out, run the hose over it. make sure to get all debris and everything else out. let it dry to where it is dryyy. dont use it wet. everrr. then spray the k&n cleaning kit grease spray. on it. let it dry for i think like 30 mins? then reseal it and ur ready to ride. have fun!
Answer this Question
1-6 of 6

Dirt Bike

Honda

Honda CRF250R
Honda CRF450R
Kawasaki

Kawasaki KX250F
Kawasaki KX450F
Suzuki

Suzuki RMZ250
Suzuki RMZ450
Yamaha

Yamaha WR250F
Yamaha WR426F
Yamaha WR450F
Yamaha YZ125
Yamaha YZ250

Yamaha YZ250F
Yamaha YZ400F
Yamaha YZ426F
Yamaha YZ450F
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