Originally Posted by der Geist

I think we all know that there are a lot of people who think that after market chips do nothing for a cars performance. This thread is not for them. I am interested to know what chips people are using, if they are satisfied with them, if they feel that they are worth it and also if they have also done the intake/exhaust mod with it. I am considering a Revo chip with the SPS 2 option as it will let me switch between 91 and 93 octane fuel. I would love to hear others opinions especially if you have had experience with GIAC or REVO.