BD4UinSF
Member
- First Name
- Brad
- Joined
- Mar 25, 2022
- Threads
- 1
- Messages
- 6
- Reaction score
- 3
- Location
- Santa Fe, NM
- Vehicle(s)
- 2017 Civic Si Sdn, w PRL 4"intake and KTuner25psi
- Vehicle Showcase
- 1
- Thread starter
- #1
I get better fuel economy with my K-Tuner running 25PSI on my 17 Si. I can get 38 mpg cruising at 90 mph and 45mpg when at 70 mph. I once got 50 MPG on a road trip in the rain where I was forced to go 55-60 the whole tank! This is of course with 91 octane fuel vs 87 stock.
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