They will not know what bit them!
4 seconds sound clip from the Cars movie soundboard.
You can hear this line at 01:37:38 in the Blu-ray version of the movie.
Quote context
[...]
- Well, I really didn't have a choice. Mater didn't get to say goodbye.
- Hot snot, we are back in business!
- Guido! Luigi! You're goin' up against professional pit crews. You're gonna have to be fast.
- They will not know what bit them!
- Kid, you can beat these guys. Find a groove that works for you and get that lap back.
- Is that...? That's the Hudson Hornet! The Hudson Hornet's back!
- It appears McQueen has got himself a pit crew. And look who he has for a crew chief!
[...]