Darnellbe
Active Member
- Joined
- Mar 4, 2021
- Threads
- 21
- Messages
- 41
- Reaction score
- 6
- Location
- North Carolina
- Vehicle(s)
- 2017 mustang ecoboost premium pony package
- Thread starter
- #1
Hey guys new to the car scene. Recently brought an ecoboost and was wondering if the upgrades/mods of the performance package was worth it, specifically the M-9603-M4? Does anyone have it or know of anyone who does? If so how’s the reliability, power and gas mileage?
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