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Derringer is the BEST Ford 6.7L inline tuner. Here's why.
Derringer is the smartest, safest inline tuner available
Hands down *FASTEST* ADD-on | Ford 6.7 Powerstroke w/ NO TUNING!!! @bankspower
Must have upgrades for your 6.7 powerstroke
TOP 5 Best Tuner For 6.7 Powerstroke 2023
How to Build a Better Inline Diesel Tuner
TUNING IS KILLING YOUR 6.7L POWERSTROKE
Watch Derringer DESTROY all other Ford 6.7L Tuners 🏁
Best Tuner For 6.7 Powerstroke 2024
More POWER With A DPF Fitted? | Gale Banks On Emissions [TECH TALK]
Will Box Tuners Destroy Your Diesel Engine? (Watch This Before Buying)
15 minute mod, 10mpg to 16mpg, 6.7 powerstroke gets 60% better mpg, so easy you can do it too!
![More POWER With A DPF Fitted? | Gale Banks On Emissions [TECH TALK]](https://img.youtube.com/vi/vIDatHSUQTQ/hqdefault.jpg)
