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2008-2013 Polaris Ranger RZR 800 with a K&N Air Intake Gets Performance Boost

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K&N 57-1120 FIPK Performance Air Intake System heat shield and filters

K&N 57-1120 FIPK Performance Air Intake System heat shield and filters

If you want a sturdy, fun-ready UTV, then the 2008-2013 Polaris Ranger RZR 800 is tough to beat. It's got comfortable seating for 3, a rugged tilt bed that can handle 1,000 lbs of gear, and it can tow up to a 2,000 lb trailer. And when the going gets tough, the locking center differential and 50-hp 760cc twin motor can get you up, over and through just about anything. But if you want a bit more giddy-up from your little workhorse, then a K&N 57-1120 FIPK Performance Air Intake can help.

K&N 57-1120 FIPK Performance Intake System installed on Polaris 760cc engine

K&N 57-1120 FIPK Performance Intake System installed on Polaris 760cc engine

Horsepower and torque are created by burning a combination of fuel and air inside the cylinders. When you open up the restrictive factory intake system, the engine is able to inhale more air and burn the fuel more completely. This results in more horsepower and torque being created from roughly the same amount of fuel. The K&N 57-1120 Air Intake System is engineered to increase the performance of a Polaris 800 by reducing airflow restrictions and funneling a higher volume of clean air directly into the throttle body.

K&N 57-1120 FIPK Performance Intake System

K&N 57-1120 FIPK Performance Intake System

To straighten out the airflow path, the K&N 57-Series FIPK Performance Air Intake System ditches the curved factory intake tube, for a shortened, wider diameter intake tube, made from durable High Density Polyethylene (HDPE). This smooth bore K&N intake tube virtually eliminates airflow turbulence, and channels air directly into the throttle body. The system is fed by a high-flow conical K&N performance air filter, that's wrapped in a black DryCharger filter wrap, to help repel the water and dirt that can get kicked up out on the trail. The filter is protected by a rugged aluminum heat shield that mounts in place of the factory airbox. A second, smaller K&N air filter is mounted on back of the heat shield, to filter the air through the crank case ventilation hose.

We installed the K&N 57-1120 Performance Air Intake System on a 2008 Polaris RZR 800 EFI, and the dyno tests revealed an estimated horsepower increase of 3.40 horsepower and 2.56 additional ft-lb of torque. The throttle response was also much quicker, which significantly improved drivability. But your individual results may vary, based on the mileage, modifications, and condition of your specific Ranger RZR 800.

Another benefit of the K&N 57-1120 Air Intake system is the reusable air filters. Lots of dirt and dust gets slung around when you're driving off-road, and that can clog up a stock air filter very quickly. A K&N performance air filter on the other hand, uses a special oil-treated cotton gauze material, that can trap more dirt, while allowing higher volume of air to flow through it. So when you're done covering your UTV in mud and dirt, you can restore performance and keep the engine protected by simply popping off the K&N filter, cleaning it, then treating it with the K&N filter oil. Plus, this entire 50-state legal K&N intake system is backed by the K&N 10-Year/Million Mile Limited Warranty.

And remember to check out all of the other K&N ATV performance parts by using the Search by Vehicle Tool.

Features & Benefits of the K&N 57-1120 FIPK Performance Air Intake System

  • Guaranteed to increase horsepower & torque
  • Sharpens throttle response
  • Free-flowing air intake tube improves airflow
  • Durable construction for reliability in harsh conditions
  • Comes with a reusable lifetime air filter
  • Kit includes water resistant DryCharger air filter wrap
  • Aluminum heat shield protects filter from damage and engine heat
  • Replaces entire factory air intake system
  • 50-State Legal
  • Covered by K&N Million Mile Limited Warranty

K&N Applications for 57-1120 Performance Intake Kit

2013 POLARIS RANGER RZR S 800 EPS LE 760
2013 POLARIS RANGER RZR 800 S LE 760
2013 POLARIS RANGER RZR 800 S 760
2013 POLARIS RANGER RZR 800 LE 760
2013 POLARIS RANGER RZR 800 EPS LE 760
2013 POLARIS RANGER RZR 800 760
2012 POLARIS RANGER RZR S MILITARY 760
2012 POLARIS RANGER RZR S 800 EPS LE 760
2012 POLARIS RANGER RZR 800 S LE 760
2012 POLARIS RANGER RZR 800 S 760
2012 POLARIS RANGER RZR 800 LE 760
2012 POLARIS RANGER RZR 800 760
2011 POLARIS RANGER RZR S 760
2011 POLARIS RANGER RZR 800 SW MILITARY 760
2011 POLARIS RANGER RZR 800 760
2011 POLARIS RANGER RZR 4 ROBBY GORDON EDITION 760
2011 POLARIS RANGER RZR 4 800 GORDON EDITION 760
2011 POLARIS RANGER RZR 4 800 EPS ROBBY GORDON EDITION 760
2011 POLARIS RANGER RZR 4 800 760
2010 POLARIS RANGER RZR S 760
2010 POLARIS RANGER RZR 800 760
2010 POLARIS RANGER RZR 4 800 GORDON EDITION 760
2010 POLARIS RANGER RZR 4 800 760
2009 POLARIS RANGER RZR S 760
2009 POLARIS RANGER RZR 800 760
2008 POLARIS RANGER RZR 800 760

You can view all the air intakes that K&N makes for the Polaris Ranger RZR 800 at the Air Intake Systems for the Polaris Ranger RZR 800 page and all the air filters that K&N makes for the Polaris Ranger RZR 800 at the Air Filters for the Polaris Ranger RZR 800 page. You can view all the K&N performance products for any vehicle by using the Search by Vehicle tool and you can find a local K&N retailer by plugging your location into the K&N Dealer Search as well.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 50 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.