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K&N - 77 SERIES COLD AIR INTAKE SYSTEMS

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2008 Ford F-250 Super Duty.


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2008 Ford F-250 Super Duty
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$317.99
SKU #: JCW-248857 Manufacturer #: 77-2577KTK Brand: K&N
Customer Rating: 4.7 of 5 stars


K&N – 77 SERIES COLD AIR INTAKE SYSTEMS
  • Compatible with OEM computer systems
  • Designed primarily for trucks and SUVs
  • Polished chrome or gray finish available
  • Replaces factory air box and inlet tube
  • Oversized washable/reusable conical air filter can go 100,000 miles before servicing
  • Improves cold air flow which means an increase of horsepower
  • Million mile warranty
  • Intake tube is crafted from rotationally molded metal tubing
  • Street legal in 49 states (not CA)
  • Installs in 90 minutes or less
  • Includes powder-coated steel brackets

K&N’s 77 Series cold air intake systems for trucks and SUVs replace the factory air box and intake tube with a superior system composed of an oversized high-flow K&N performance air filter connected to a premium metal intake tube for unmatched performance – and power. K&N, founded in 1969, is highly regarded as the world’s leading manufacturer of high performance filters and cold air intakes and has over 5,000 aftermarket filtration products – all backed by the company’s Million Mile warranty program.

See product for application and installation details.



Overall Rating
4.7 out of 5
4.7 out of 5
Open Ratings Snapshot
Rating breakdown 22 reviews
5 Stars
16
4 Stars
5
3 Stars
1
2 Stars
0
1 Star
0
Ease of Use/Installation
4.8 out of 5
Quality/Construction
4.9 out of 5
21 of 22(95%)reviewers would recommend this product to a friend.
Product ReviewsWrite a review
Overall Rating
5 out of 5
5 out of 5
Silverado K&N
August 16, 2014
JimO
Location: Fries, VA, USA
How often do you shop at JC Whitney.com? Multiple Times a Year
Ease of Use/Installation
5 out of 5
5 out of 5
Quality/Construction
5 out of 5
5 out of 5
" Quick delivery...easy to install and works great. Had a K&N filter but no match for the 77 system. "
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Overall Rating
5 out of 5
5 out of 5
2014 Dodge Durango RT
August 12, 2014
Tony H.
Location: McDonough, GA, USA
How often do you shop at JC Whitney.com? Once a Year
Ease of Use/Installation
4 out of 5
4 out of 5
Quality/Construction
5 out of 5
5 out of 5
" Tight fit, but very easy install. I had to wrap the air temp sensor with teflon tape to make it fit tight. Other than that, no problems. Looks and sounds good. Not sure about MPG improvement yet.
My Hemi sounds even meaner now. I highly recommend it.
"
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Overall Rating
5 out of 5
5 out of 5
Awesome Low-cost Legal Performance Air Upgrade
July 3, 2014
InfiniTool
Location: Thornton, CO, USA
How often do you shop at JC Whitney.com? First Time
Ease of Use/Installation
4 out of 5
4 out of 5
Quality/Construction
4 out of 5
4 out of 5
" Added this low cost upgrade to my stock 2500HD Cali Vortec 8.1L motor in high-altitude Denver to keep it street legal but performing at peak.
It breathes better and sounds better, is more responsive in the power band for towing or making "yellow lights" (cough). City gas mileage alone increased by 2 mpg. Highway should be even better this weekend.
This low cost upgrade is the most "bang for the buck".
It also fixed a long-standing O2 sensor alert saying too lean in Banks 1 and 2 that I used to get.
Addicted to these upgrades, now planning to upgrade exhaust and tuning chip at next paycheck! "
-1point
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Overall Rating
5 out of 5
5 out of 5
Extremely Happy
June 13, 2014
MongoSTL
Location: St. Louis, MO, USA
How often do you shop at JC Whitney.com? Multiple Times a Year
" I purchased this intake for my 2013 F150 5.0 Liter.
I am extremely happy with the result. K&N estimates the horsepower increase at 9 to 10, and while I don't have a dyno in my garage I will have to agree.
Gas mileage increased 1 to 1.5 MPG. Better acceleration, and an absolutely awesome sound when tromped.
Funny story... I was driving and a kid with a Camaro pulled along side of me with two buddies in the car. He romped it and pulled in front of me. I jumped on the 5.0 and the guy in the back seat of the Camaro almost twisted his head off to look. Sounds like the wrath of G*d. "
+1point
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