Sik19GT
Well-Known Member
- Joined
- Jun 10, 2019
- Threads
- 16
- Messages
- 97
- Reaction score
- 29
- Location
- Menifee CA
- First Name
- Stephen
- Vehicle(s)
- 2019 Mustang GT performance pack 1
Sorry to bump an old thread but, I just installed 4.09s on my car because of this thread. After finally getting a nice long drive in with the gears installed. I can say these cars should have came with 4.09s from the factory. The cars rips through the gears now, and it still only revs to 2750 at 90mph in 6th. These are a must have for anyone with a NA engine and the mt82D4!
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