DKL
Senior Member
- Joined
- Jun 2, 2017
- Threads
- 11
- Messages
- 104
- Reaction score
- 76
- Location
- Maine
- Vehicle(s)
- '18 Challenger Hellcat. '06 Z4 '97 Supra '18 CTR
- Vehicle Showcase
- 1
- Thread starter
- #1
I just installed the +6 tune with after filling up with 93. I plan on reflashing to the +3 tune for the winter; should I continue to run premium, or would it make any difference? I ran 89 before reflashing. My Civic is stock otherwise.
Sponsored