Latest News

Del Worsham Defeats Ashley Force in Round Two of NHRA Mac Tools U.S. Nationals

Del Worsham found his stride just days too late in the 2007 Countdown to the Championship at the NHRA Mac Tools U.S. Nationals. Worsham, deep in the standings for much of the season, came on strong down the stretch but ended up 38 points out of the playoffs.
Del Worsham Defeated Gary Scelzi in Round One Del Worsham Defeated Gary Scelzi in Round One
Team CSK uses K&N Engineering Products
Team CSK uses K&N Engineering Products

The driver of the red Checker, Schuck’s Kragen Funny Car with K&N Products picked up points at O’Reilly Raceway Park in Indianapolis, Indiana, but they were one race too late. Worsham defeated Gary Scelzi in round one, defeated Ashley Force in round two and lost to Mike Ashley in the semi-final at Indy.
Del Worsham in CSK Funny Car
Del Worsham in CSK Funny Car
Del Worsham's CSK Crew
Del Worsham's CSK Crew

No matter how well Worsham drives, he is now relegated to no better than 9th place. The good news is, Worsham knows he has a race car capable of winning and he plans to do that before the 2007 campaign wraps up at Pomona.

At Indy, all went well for Worsham during three days of qualifying and one long hot day of racing. On Friday night he grabbed a top-half spot and ran the second-quickest lap in the final session in the heat on Sunday afternoon. In the end, the lane choice issue caught up to Worsham, and there was little he could do to avoid defeat in the semi-finals.

“When it gets as hot as it was today, you start to worry about lane choice really being a big issue, and it finally got to that point after the first round,” said Worsham. “We lost in the semi-finals, but the truth is we were toast after the first round, although it was through no fault of our own. We ran great in the first round, one of our best laps of the year, but Ashley Force was our second-round opponent and she laid down an incredible number in her first-round race. That put us over in the right lane, and even though we were able to pedal through the second round, we were stuck back over there again to the semi.”

Worsham entered the first round race in the No. 7 spot. He grabbed a slight edge at the tree, picking up 4-thousandths in reaction time. “At the strip Scelzi’s 4.972 was brilliant and was the fourth-quickest lap in round one,” said Bob Wilber of Team CSK. “Del’s 4.841 was better, and the win light was on in the CSK lane. Del’s first round E.T. was third-quickest in the class, but Ashley Force was able to take out Tim Wilkerson with a jaw dropping 4.784. This put Del over in the rapidly deteriorating right lane.”

“It was fairly even in round one, but the right lane had gone away by the second round,” said Worsham. “We tried to back it down, just to make sure we could go A to B against her, but the car just rolled right into tire smoke. As soon as I pedaled my car, I saw her disappear behind me, so I figured they had traction problems too. At that point, I just focused on getting the car to the finish line. The car actually hooked up really well after I pedaled it, and it tore down there like it was on rails. It was a tough way to win a round, but it was important to us and we were thrilled to get to the semi’s.”

Worsham again was in the right lane when he faced Mike Ashley, and in a puff of tire smoke, his day was over. “There wasn’t much we could do about it, but we ended up in that right lane position back in round one,” said Worsham. “As great as we ran, we still lost lane choice, and it took that issue another round to kill us off.”

Next up for Worsham will be Memphis, Tennessee where he said he will do everything he can to keep winning rounds.

Follow Del Worhsam'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, 2008 and 2009 Acura MDX Owners Benefit from K&N Lifetime Replacement Air Filter Made in USA

The Acura MDX is built on a new truck platform with a redesigned interior. It has separate climate-control zones for the driver, front passenger and rear seats. The third row works for adults and the headroom has improved.

Air Filter for 2007, 2008 and 2009 Acura MDX
Air Filter for 2007, 2008 and 2009 Acura MDX
K&N Engineering released a lifetime replace air filter (33-2383) for the 2007, 2008 and 2009 Acura MDX 3.7 liter V6 engine. Adding performance is easy with the drop-in design, simply remove the disposable air filter and replace it with K&N's air filter. Each filter is custom designed to fit in the factory air box and requires no modifications.

K&N Engineering is the inventor and world leader of the high-flow cotton air filter. Hand made in the United States, our filters capture airborne dirt particles and allow high volume air flow while providing excellent filtration.

If every vehicle used washable and reusable K&N Air Filters, there would be far less debris in landfills. The Environmental Protection Agency recommends the use of reusable air filters. K&N Air Filters were designed for an environment requiring maximum horsepower, excellent filtration and enhanced acceleration. The result is an air filter that allows more air into an engine and will protect your vehicle for life.

K&N's stock air filters for street vehicles are covered by our famous K&N Million Mile Limited Warranty and will be the last air filter your vehicle will ever need.

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.

K&N Designs a Lifetime Aftermarket Air Filter for the 2007 & 2008 Acura TL

The 2007 Acura TL has a slightly redesigned exterior and interior and received suspension changes to improve its ride. The Acura TL's sound system is also now MP3 compatible so drivers can enjoy their favorite tunes.

Air Filter for 2007 and 2008 Acura TL
Air Filter for 2007 and 2008 Acura TL
K&N Engineering designed a lifetime replacement air filter (33-2379) for the 2007 and 2008 Acura TL 3.5 liter V6 engine and the 2007 and 2008 Acura TL 3.2 liter V6 engine.

K&N Air Filters are designed to increase horsepower and acceleration while providing excellent filtration. We take filtration seriously at K&N. The result is an air filter that allows more air into an engine and will protect your engine for the life of your vehicle.

K&N Replacement Air Filters are washable and reusable. It's almost impossible to wash your K&N Air Filter too much. Inside our testing laboratory, we have washed and re-oiled one K&N Air Filter more than 100 times and it still performed up to specifications. Depending on your driving conditions, we recommend cleaning your air filter every 50,000 miles.

This K&N Air Filter comes with simple installtion instructions. The 33-2379 is a drop-in air filter and does not require any modifications to your stock air cleaner system. K&N warrants its street vehicle OE replacement air filters for one million miles.

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.

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.