IW STi Forum banner

GF Performance Chip

1045 Views 5 Replies 6 Participants Last post by  Dchee

Is this a worthwhile investment and should I anticipate any problems? I wonder if this chip works universally for all STi's, or just particular year models.

I just replaced the wheel bearing in my car and it produced so much drag that I have returned to 27 mpg (was stuck at 22.5 mpg for most of the past few years).
1 - 6 of 6 Posts
I would stay away. There's probably a very good reason why it costs $70 bucks vs a $600 dollar AccessPORT.

You've made it this far! Don't chance it on a shoddy tune.
Run away fast. Instead, get these chips:

See less See more
  • Like
Reactions: 1
1 - 6 of 6 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.