Simple Subaru Impreza Performance Upgrades
If you are looking for an exciting drive, the Subaru Impreza is the car for you. The Impreza ranges from a standard 1.8 liter engine to their 300 horsepower WRX STi 2.5L Turbo engine. Tight suspension, all wheel drive and an optional turbo engine are just a few reasons the Subaru Impreza continues to impress its driver.
K&N Engineering designed and manufactured performance products for the 1998 to 2010 Subaru Impreza, 2001 to 2011 Subaru Impreza WRX and the 2002 to 2011 Subaru Impreza WRX STi. From replacement air filters that are designed to improve performance, air intake systems that are guaranteed to increase horsepower and premium oil filters that are built to last, K&N offers a wide variety of simple performance add-ons.
K&N Replacement Air Filters
K&N Replacement Air Filters are designed to increase horsepower and acceleration while providing excellent filtration. All K&N Filters are washable, reusable air filters that are backed by a one million mile warranty and will be the last air filter your Subaru Impreza will ever need.
K&N's 33-2304, high flow air filter, fits into the factory air box of the 2007, 2008, 2009, 2010 and 2011 Subaru Impreza models (Standard, WRX and WRX STi models) with a 1.5, 2.0 and 2.5 liter engine.
2005, 2006 and 2007 Subaru Impreza owners (Standard, WRX and WRX STi models) with a 2.5L engine benefit from K&N's 33-2232 replacement air filter. The 1999 Subaru Impreza WRX with a 2.2 liter engine, 1994 and 2005 Subaru Impreza WRX and WRX STi models with a 2L engine and 1993 to 2000 Subaru Impreza models with the 1.6L and 1.8L engine also use K&N's 33-2232.
The 33-2075, lifetime air filter, was designed for the 2004 and 2005 Subaru Impreza WRX models with a 2.0 liter engine. 2004 Subaru Impreza WRX STi owners with a 2.5 liter engine and 1999 Subaru Impreza models with a 2.5 liter and 2L engine that use OEM part 16546AA020 air filter also use the 33-2075.
The 2001, 2002, 2003 and 2004 Subaru Impreza models with the 2.5 liter and 2.2L engine, 1999 to 2004 Subaru Impreza with a 2.5L engine, 2001 to 2005 Subaru Impreza with the 2 liter engine and 1998 to 2005 Subaru Impreza with the 2.5 liter and 2.2L engine that use the 1.6L, 95 BHP engine use K&N's 33-2154 to improve performance.
K&N Performance Air Intakes
K&N's Performance Air Intake Systems for the Subaru Impreza are guaranteed to increase horsepower. Our intakes are built for performance utilizing the highest quality components. K&N's performance intake systems are easily installed; usually in 90 minutes or less.
K&N's air intakes 69-8001TS and 69-8001TWR use a short ram intake tube to smooth and straiten air flow to your 2004, 2005, 2006 and 2007 Subaru Impreza WRX and WRX STi models with a 2.5L engine and 2002 to 2007 Subaru Impreza WRX and WRX STi models with a 2L engine. Testing has shown that the 69-8001TS and 69-8001TWR have a gain of 15.85 more horsepower @ 5050 RPM. The 69-8001TS has a silver powder coated intake tube and the 69-8001TWR has a wrinkle red powder coated intake tube.
2008, 2009, and 2010 Subaru Impreza WRX 2.0L owners can install the 69-8004TTK Typhoon intake kit for a boost of 14.28 HP @ 5228 RPM. The 69-8005TWR intake system is now available for 2008 to 2011 Subaru Impreza WRX STi 2.5L reporting gains of 17.52 HP @ 5260 RPM.
K&N Premium Oil Filters
K&N premium oil filters for the Subaru Impreza have thick canister walls for extra strength and durability. These canister oil filters have a 1" nut welded on the top for easy removal. K&N premium oil filters allow for high flow rates while providing excellent filtration.
The HP-1015 was designed to fit the 1998 to 2005 Subaru Impreza models with a 2.5 liter engine, 1995 to 2001 Subaru Impreza models with a 2.2L engine, 2002 and 2003 Subaru Impreza WRX models with a 2L engine and 1993 to 2000 Subaru Impreza models with a 1.8L engine.
2004 to 2011 Subaru Impreza WRX STi models with a 2.5 liter engine, 2006 to 2011 Subaru Impreza Standard and WRX models with a 2.5L engine and 2002 to 2005 Subaru Impreza Standard and WRX models with a 2L engine protect their engine with K&N's HP-1008.
To find K&N products for your Subaru Impreza or any other vehicle, use our Application Search on KNFilters.com. Use our Dealer Search to find a K&N Dealer near you.