There's porno theaters for that.
4 seconds sound clip from the Taxi Driver (1976) movie soundboard.
You can hear this line at 00:02:36 in the Blu-ray version of the movie.
Quote context
[...]
- So, what do you wanna hack for, Bickle?
- There's porno theaters for that.
- Now? Ride around nights mostly. Subways, buses.
- Figure, you know, I'm gonna do that, I might as well get paid for it.
- You wanna work uptown nights? South Bronx, Harlem?
[...]