Recommended shifting speeds
Subaru Impreza / Subaru Impreza Owners Manual / Starting and operating / Manual transmission – 6 speeds (STI) / Shifting speeds / Recommended shifting speeds

The best compromise between fuel economy and vehicle performance during normal driving is ensured by shifting up at the speeds listed in the following table.
See also:
ON
This is the normal operating position after
the engine is started. ...
Sporty, Spacious and Versatile Interior
New for 2011, the WRX STI interior is finished in black and silver to
highlight its sporty design. Trim panels, the steering wheel air bag cover and
steering wheel switches are now dark cast metal ...
Example of the type of accident in which the SRS curtain airbag will
basically not deploy.
The SRS curtain airbags are not basically
designed to deploy if the vehicle pitches
end over end. ...
