Turbocharged 2008, 2009, 2010, 2011 & 2012 Subaru Impreza WRX Gains 14.28 HP with K&N Air Intake Kit

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The 2008 Subaru Impreza WRX handles like a rally car with a scoop on the hood for its 2.5 liter four-cylinder intercooled turbocharger engine.

K&N's 69-8004TTK air intake system for the 2008, 2009, 2010, 2011 & 2012 Subaru Impreza WRX with a 2.5 liter engine
K&N's 69-8004TTK air intake system for the 2008, 2009, 2010, 2011 & 2012 Subaru Impreza WRX with a 2.5 liter engine

2008 Subaru Impreza WRX
2008 Subaru Impreza WRX
K&N has developed an air intake system (69-8004TTK) for 2008, 2009, 2010, 2011 & 2012 Subaru Impreza WRX with a 2.5 liter engine. K&N dynamometer testing shows a 14.28 horsepower gain at 5228 rpm.
K&N air intake system prototype installed in 2008 Subaru WRX
K&N air intake system prototype installed in 2008 Subaru WRX


Dyno chart for 2008 Subaru Impreza WRX
Dyno chart for 2008 Subaru Impreza WRX

The 69-8004TTK features a aluminum intake tube in powder coated black and a K&N carbon fiber top filter (RP-5113). Our lifetime washable and reusable air filter is isolated by a steel heat shield to provide fresh air to the engine.

The horsepower gain is also aided by the radius adaptor’s design as it smoothly takes the 5 inch flange of the air filter and connects it with the air intake tube. The air intake tube has a CNC precision machined billet mass air adaptor.

The high-flow technology invented by K&N provides the best balance of airflow and filtration. Designed to be installed with simple hand tools in 90 minutes or less, our K&N air intake systems are backed by the K&N Million Mile Limited Warranty.

Find K&N products for your vehicle using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.



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K&N Engineering, Inc., with headquarters in Riverside, California, has been the world's leader in performance filter technology since 1969, serving the needs of the automotive, motorcycle, marine, industrial and military markets. K&N is heavily involved in nearly every form of motorsports from off-road and powersports to drag racing, stock cars and road racing. For more information about K&N Filters, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail tech@knfilters.com, or visit www.knfilters.com.

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