Cat delete refers to the removal of the catalytic converter of a car. Removing or bypassing the catalytic converter gives a tiny addition to power, but gives the car a low, growling sound.
Dang, your old Honda Civic sounds like a rice rocket after that cat delete. All it needs now is a huge spoiler, spinners, and LEDs
by Janeazy August 10, 2009
Can you define these popular missing words?