Originally Posted by ERL2011wrx
The Cobb ACN91 map is very conservative so that is probably why you noticed such a difference. When my car was stock I switched from the Cobb 93 map to Eric's and it wasn't very noticeable. The low end felt kind of flat between 2-3k rpm's under normal driving conditions.
Wasn't very noticeable or wasn't noticeable? I am currently running Cobb Stg 1 93 and was debating on switching to TP...