- Let her out.
- What for?
- Open it up. Let's see if they stay with us. All right.

6 seconds sound clip from the Criss Cross (1949) movie soundboard.

You can hear this line at 01:02:41.935 in the DVD version of the movie.

Quote context

[...]

- This is it now, the payoff. Nothing will stop it.

- Another five minutes, and we'll cross the bridge.

- Another five minutes to San Rafelo, to Vincent, and the ice-cream wagon, to the rest of them. Another five minutes to go.

- There's a car tailing us.

- Your imagination.

- No. Big, black car. Swung out as we passed.

- Lots of black cars on the road.

- Let her out.

- What for?

- Open it up. Let's see if they stay with us. All right.

- I don't know what's the matter with me. Getting jittery.

- Sure. Take it easy, Pop.

- I'll be glad when this run's over. Another four minutes.

- There they go... Walt, Mort, Midget.

- 10:14.10:14.

[...]