They’ve made so many of these movies that they’ll probably run out of title ideas soon, so I thought I would help with suggestions. Please feel free to add your own! I’m sure the producers are reading.
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Fast & Furious 4: Fastestest and Most Furiousousous
Fast & Furious 5: Now The Cars Talk
Fast & Furious 6: Is This a School Zone?
Fast & Furious 7: Oh My Back
8 Fast 8 Furious: The Final Fasteer
I Heard Tell 
Johanna
I don’t have any new ideas, but I really wanted 2 to be called “Faster, Furiouser”.