(This shit will rumble your muthafuckin trunk. What's a 7-0-7 on er... your trunk nigga?) 5-10
(4-1-5's?), yeah (That's four-fifteens if y'all bitches didn't know, yeah bich)

from Spice 1 (Ft. E-40) – D-Boyz Got Love For Me Lyrics on Rap Genius

Meaning

E-40: This music has heavy bass. What do you have in your trunk? Spice 1: Loud Speakers. E-40: Me, too.

5 tens means 5 ten inch speakers and 4 1 5 is 4 fifteen inch speakers. 707, 510 and 415 are also Bay Area area codes.

four 15s –

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