K&N intake features for the 2007 Porsche 911 GT3 with thte 3.6 liter engine. K&N dynamometer tests show an estimated 24.65 horsepower gain with use of this K&N air intake modification. Video shows featues of K&N air intake 63-7001

K&N 69-8703 air intake install video 2008-2012 LEXUS IS F 5.0L V8. Dyno tests show estimated 28.15 horsepower gain at 5900 rpm with this intake

Over 38 years, he's accomplished: 96 NHRA national event wins, 138 No. 1 qualifying performances and a spot in the International Motorsports Hall of Fame

Steve is K&N's Vice President of Research and Development and a 3 time Division Champion in Super Gas and Super Comp and a 14 time Divisional Event Champion

Del Cox Jr. makes waves in NHRA Top Alcohol Drag Racing. The 20-year drag racing vet started in junior dragsters at age 9 and credits K&N for his success

As K&N sponsored racer Dan Fletcher picks up his third win of the season in Super Comp, K&N continues as the ultimate supporter of Sportsman Class racers.

John Stewart of PickupTrucks.com brought his assignment to K&N headquarters in Riverside, CA. We got a first hand look at the 2009 Chevy Colorado 5.3L V8

Dan Fletcher's twin '69 Camaros are sporting the K&N colors thanks to a new corporate sponsorship. Check what Dan had to say about his cars and K&N

K&N sponsored rock crawlers Brad and Roger Lovell had a good showing at the 2009 race, featuring 80 miles of intense desert racing and extreme rock crawling.

Fred Williams and '4 Wheel & Off Road Magazine' staff spent years developing Project Fun Buggy, a trail rig combining everyday use and off road capability