Guest Posted May 7, 2017 Share Posted May 7, 2017 Im confused on how the accessport works does it have a tune for an exhaust or does it only tune to cobb parts? Can someone plz explain Link to comment Share on other sites More sharing options...
Max Capacity Posted May 12, 2017 Share Posted May 12, 2017 If you have a 3" down pipe you load a stage 2 tune. Any 3" dp needs a stage 2 tune. If you have an CBE on your stock down pipe, your still stage 1. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
08Legacy-GT Posted May 17, 2017 Share Posted May 17, 2017 Cobb Accessport is just a tool which stores maps on it, they come with premade "stagged" maps from cobb for certain parts. A catback exhuast really has no effect on anything tune wise, so you can just run the basic stage 1 w/ stock intake tune they have. 2017 Subaru STI 2008 Subaru Legacy 2.5i limited Link to comment Share on other sites More sharing options...
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