Oh, race him. You can beat him.

4 seconds sound clip from the American Graffiti movie soundboard.

You can hear this line at 01:14:06 in the Blu-ray version of the movie.

Quote context

[...]

- Oh! Funny. You know what?

- Your car's uglier than I am!

- That didn't come out right.

- Come on, boy. Let's go. Prove it.

- Why don't you go out and try to win yourself a few races? Then you come on back and I'll show you a few things.

- Oh, race him. You can beat him.

- Hey, that's a tough-looking girl you got with you, man. What are you doing? Trying to pick up a few extra bucks babysitting?

- Hey, doll, why don't you come on, and ride with me... in about 10 years?

- Now, leave her out of this. This is just between you and me.

- Wow. He's really fast, isn't he?

- Yeah, but he's stupid.

[...]