Latest News

2004 - 2008 Citroen C4 Owners Benefit from K&N's Performance Air Intake System

The Citroen C4 is arguably the most handsome car in its class. The 180 bph VTS is well detailed and oozes French style.

Air Intake for Citroen C4
Air Intake for Citroen C4
K&N Engineering released a High-Flow Air Intake System (69-3002TS) in silver for the 2004, 2005, 2006, 2007 and 2008 Citroen C4 2.0 liter 180 bhp (British Horsepower) engine. The K&N Air Intake kit was made to fit this specific application and the and the brilliant silver color matches the engine cover.

Simply remove the complete stock air box and fit the free flowing mandrel bent aluminum tube into the throttle housing. The cold air intake system is supported by a bracket assembly. The chrome top K&N High Flow Air Filter (RC-9350) fits onto the luminum tube and is positioned to give virtually unrestricted air flow to the engine. Its placement takes advantage of the factory fresh air duct to feed the cooler outside air to the K&N Air Filter. The K&N Air Filter is designed to provide increased surface area and dust capacity while providing excellent filtration.

K&N tested the Air Intake System on a few cars from the Citroen Sport Club in the Netherlands and got the following feedback: "Ik krijg de smile niet meer van mijn gezicht Het is echt een wereld van verschil en dan dat geluid iedereen vind het super mijn buurman dacht zelfs dat er een impresa in de straat kwam aangereden haha nogmaals heel erg bedankt groeten." Translated: "I can't wipe the smile from my face anymore," said Lodie Ueberbach. "It's really a difference in power, and also the sound is great. My neighbor thought that we were driving a Subaru Impreza down the street but it was my car. Once again I want to thank you for the great job you did to my car."

The 69-3002TS is designed to improve engine performance and is easy to install, usually in 90 minutes or less.  K&N High Flow Intake Systems come with the famous 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.

Add Estimated 20.7 Horsepower to 2005 to 2008 BMW M5 with K&N Performance Air Intake System

Push the start button on the BMW M5 V10 engine and the response gives new meaning to performance sedan. The MDrive can transform the car from a comfortable and quick luxury sedan to a very fast road warrior with a very unique power delivery. When used properly it increases the M's power output from 400 to 500 horsepower, swaps the throttle response and shift speed.


Duel Air Intake Installed in BMW M5
Duel Air Intake Installed in BMW M5
Duel Air Intake for BMW M5
Duel Air Intake for BMW M5
2007 BMW M5
2007 BMW M5

Power Gain Chart for BMW M5 with K&N Air Intake
Power Gain Chart for BMW M5 with K&N Air Intake
For even more horsepower K&N Engineering has designed a High-Flow Air Intake System (69-2003TFK) in flat black for the 2005, 2006, 2007 and 2008 BMW M5 5.0 liter V10 engine. This is the first time K&N has developed a kit for the M5.

K&N dynamometer test show an estimated 20.7 horsepower gain at 5700 rpm. The M5 is a dual throttle body car, so the K&N Air Intake System is also dual to match the stock system. There are two short ram intake systems that  include two flat black aluminum tubes, two K&N High-Flow Air Filters (RU-5147) and two powder coated steel heat shields.

In addition to power gains, K&N Air Intake Systems are also designed to increase filtering capacity and improve throttle response. The heat shields are engineered to isolate the oversized K&N High-Flow Air Filters from engine bay heat. This intake also makes use of the M5's factory fresh air ducts which provide cooler outside air to the individual K&N Air Filters translating into more power.

The 69-2003TFK comes with two air intake units placed in opposite corners near the fender wells behind the headlights of the M5. The Mass Air Sensor adaptors are precision CNC machined, 6061 billet aluminum for accurate Mass Air Flow sensor readings.

It takes about 90 minutes to install this K&N Air Intake. It does not remove the stock intake plenums which keep a clean look under the hood. This K&N Air Intake System, like all other K&N Air Intake Systems is backed by the famous 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.

Travis Kvapil Readies for NASCAR Craftsman Truck Series Race at Gateway Raceway

Travis Kvapil will make his fifth NASCAR Craftsman Truck Series start in the No. 6 K&N Filters Ford F-150 at Gateway International Raceway on Saturday.
Travis Kvapil at Bristol Motor Speedway
Travis Kvapil at Bristol Motor Speedway
Travis Kvapil's late race contact with Kyle Busch
Travis Kvapil's late race contact with Kyle Busch
Kvapil is currently third in NASCAR Craftsman Truck Series points, 256 markers behind point leader Mike Skinner.
Kvapil is third in NASCAR Craftsman Truck Series PointsC Kvapil is third in NASCAR Craftsman Truck Series Points
No. 6 K&N Filters Ford F-150
No. 6 K&N Filters Ford F-150

Late race contact with Kyle Busch dropped Kvapil from contending the win to an 11th place finish at Bristol Motor Speedway in Tennessee. It was the first time in nine races that Kvapil finished outside the top 10.

“Gateway is a very unique racetrack,” said Kvapil. “It’s probably the track that we go to that I’ve got the most laps on. I’ve been racing there since 1997 in late models. I like the layout of the track. It’s flat and sweeping at one end, tight and banked at the other. “You’ve got to find a compromise with the setup to get around the place.”

In four races at Gateway, Kvapil has three top-10 finishes. “Gateway is a challenging racetrack,” said No.6 K&N Filters Team Crew Chief Mike Beam. “It takes a well-balanced truck to get around there. Travis has done really well there in the past and we feel like we’re up to the challenge.”

The 17th NASCAR Craftsman Truck Series Race takes place September 1 at 5:30 pm EST. SPEED TV will cover the event.

Follow Travis Kvapil's progress throughout the racing season at the K&N news site. 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.

2007 to 2016 BMW 335i & Other Models Get a K&N Lifetime Replacement Air Filter

Air Filter for BMW 535i, 335i and 335xi

Air Filter for BMW 535i, 335i and 335xi

The BMW 335i redefines the sport sedan segment. Updated with a new engine, the 335i is capable of going from zero to 60mph in 5.3 seconds. BMW markets the car as having serious muscle.

Air Filter Installed in BMW 535i, 335i and 335xi

Air Filter Installed in BMW 535i, 335i and 335xi

K&N Engineering has designed a washable reusable panel air filter (33-2367) for the 2007 to 2014 BMW 335i/335iS models with a 3.0 liter engine and the 2009 to 2016 BMW Z4 with a 3.0L L6 engine. It has an extended seal to make sure no dirt gets between the lid and the base of the airbox housing. K&N designed it around the stock housing as part of the filter construction for the O/E airbox. See the full list of 33-2367 applications below.

K&N Air Filters are designed to increase horsepower while providing excellent engine protection. They will not void factory warranties. Handmade in the United States, K&N Air Filters are made using on the finest materials. They are effective due to the type of cotton we use, the weave of the individual cotton strands, the process by which it is woven, the chemistry of the oil, the oil's viscosity and absorbency along with the structural aspects of the aluminum wire.

Each K&N Air Filter is custom designed to fit in the factory air box and requires no modifications. Backed by our original Million Mile Limited Warranty it will be the last air filter your vehicle will ever need.

The 33-2367 will fit the following vehicles:

2016 BMW Z4 3.0L L6
2015 BMW Z4 SDRIVE 35I 3.0L L6
2015 BMW Z4 3.0L L6
2014 BMW Z4 SDRIVE 35I 3.0L L6
2014 BMW Z4 3.5 SDRIVE I 2.0L L4
2014 BMW Z4 3.0L L6
2014 BMW 335IS 3.0L L6
2013 BMW Z4 SDRIVE 35I 3.0L L6
2013 BMW Z4 3.5 SDRIVE I 2.0L L4
2013 BMW Z4 3.0L L6
2013 BMW 335IS 3.0L L6
2012 BMW Z4 3.0L L6
2012 BMW 335IS 3.0L L6
2012 BMW 1 SERIES M 3.0L L6
2011 BMW Z4 3.0L L6 F/I - Turbo
2011 BMW 335IS 3.0L L6
2011 BMW 1 SERIES M 3.0L L6
2010 BMW Z4 3.0L L6 F/I - Turbo
2010 BMW Z4 3.0L L6 F/I - Non-US, 35i
2010 BMW 535I XDRIVE 3.0L L6
2010 BMW 535I 3.0L L6
2010 BMW 335I XDRIVE 3.0L L6 F/I - US
2010 BMW 335I 3.0L L6 F/I - US
2010 BMW 335I 3.0L L6 F/I - Non-US, N54 Eng.
2010 BMW 135I 3.0L L6 F/I - US
2010 BMW 135I 3.0L L6 F/I - N54 Eng.
2009 BMW Z4 3.0L L6 F/I - Non-US, 35i
2009 BMW 535I XDRIVE 3.0L L6
2009 BMW 535I 3.0L L6
2009 BMW 335I XDRIVE 3.0L L6
2009 BMW 335I 3.0L L6
2009 BMW 135I 3.0L L6 F/I - US
2009 BMW 135I 3.0L L6 F/I - Non-US, N54 Eng.
2008 BMW 535XI 3.0L L6
2008 BMW 535I 3.0L L6
2008 BMW 335XI 3.0L L6
2008 BMW 335I 3.0L L6
2008 BMW 135I 3.0L L6
2007 BMW 335XI 3.0L L6
2007 BMW 335I 3.0L L6
2007 BMW 135I 3.0L L6

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.

clear

K&N PRODUCT SEARCH     WHERE TO BUY K&N

clear

Alfa Romeo Owners Have Many Options with K&N Performance Air Intake System

The Alfa Romeo is an aerodynamic designed sports car considered to be extremely quick with arguably one of the greatest engines every built. The 156 are considered the flagship models.

K&N's 69-0502TWR
K&N's 69-0502TWR
K&N Engineering has released a High-Flow Air Intake System (69-0502TWR) in wrinkle red for the 1997 through 2006 Alfa Romeo 156 2.0 liter engine. See applications list below. Red is a very popular color on the Alfa Romeo in Europe.

K&N Engineers have made sure the design on this air intake system provides maximum power to meet consumer demands, by positioning the K&N Air Filter (RU-4860) far away from the engine. The large conical K&N Air Filter is designed to provide increased surface area and dust capacity. K&N's air intake design has lower restriction than the factory air box system resulting in additional power while providing excellent air filtration.

The 69-0502TWR is a two piece kit that can convert to a short ram which places the K&N Air Filter under the hood during inclement weather. When it is set up in the complete cold air intake mode the air filter is protected from road water with the use of a dry charger (included).

The free-flowing mandrel-bent aluminum tube is engineered to the specific vehicle design. The 69-0502TWR is designed to improve engine performance and is easy to install, usually in about 90 minutes or less. K&N High-Flow Air Intake Systems come with the famous K&N Million Mile Warranty.

Applications are as follows:

2006 ALFA ROMEO 156 1.8L L4
2006 ALFA ROMEO 156 1.6L L4
2005 ALFA ROMEO 156 1.8L L4
2005 ALFA ROMEO 156 1.6L L4
2004 ALFA ROMEO 156 1.8L L4
2004 ALFA ROMEO 156 1.6L L4
2003 ALFA ROMEO 156 1.8L L4
2003 ALFA ROMEO 156 1.6L L4
2002 ALFA ROMEO 156 2.0L L4
2001 ALFA ROMEO 156 2.0L L4
2000 ALFA ROMEO 156 2.0L L4
1999 ALFA ROMEO 156 2.0L L4
1998 ALFA ROMEO 156 2.0L L4
1997 ALFA ROMEO 156 2.0L L4

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.