The Mtuned stage 1 Tune file
Custom Stage 1 E-tune.
This is a custom tune done back and forth between email.
Stage 1 Is for setups using the STOCK J-pipe.
Supports many mods, many intakes.
Stage 1 91-93 Octane power Estimates: 255-270 WHP 280-300 TQ
- CVT Supported
- COBB AP Required
2008+ Wrx AND STI Stage 1 Etune FA/EJ
Not for sale or use in California. IF you cannot purchase Cobb Product's in your state the tunes can not be provided either.