Subaru WRX Forum banner
1 - 4 of 4 Posts

·
Super Moderator
Joined
·
11,179 Posts
Oh, in that case.

They can mess with the afr after shifting if they are not set to full recirculating. The factory unit is well capable and able of supporting more than stock power.

I would avoid vent to atmosphere completely.
 
1 - 4 of 4 Posts
Top