Brno, home of motorcycle racing since the 1930's, is still host to some of the most fast paced and competitive racing on the Moto GP circuit

Laura Poorter stunned a thrilled crowd, and a few male drivers by finishing second at Altamont Raceway Park in her Ford Focus Midget.

The 3-hour race requires perfect concentration and delicate handling with slick on-track conditions, tight corners, and a grid of nearly fifty vehicles

After crash, Terry Borcheller and team fight through 24 long hours of grueling Grand Am Rolex racing at Daytona Raceway, FL. to finish at an amazing 7th

In this sport vehicles are nearly identical. Split seconds separate 1st and 2nd place. K&N air filters provide the edge needed to stay ahead of the pack

To gain the massive horsepower, Monster Trucks need all the air they can get. See jumps over 30 feet in the air at the Angel Stadium in Anaheim, California

Carl Judice's three quarter ton GMC pick-up truck has run the same K&N Lifetime air filter for over one million miles. Watch Carl talk about K&N air filters

SCCA AutoX champion Mike Maier of Maier Racing shows us that in his capable hands, the 5.0 Fox body Mustang is far more than a straight-line stoplight racer

K&N sponsored rider Bobby Krips knows no fear. In his nearly 40 year career, he's gone from motorcycle racing to bull riding and back to speedway racing

This modified Toyota MR2 is David Vespremi's personal project car. He gets over 400 horsepower from an internally stock 2.0 liter four cylinder motor