Originally Posted by txboyindenver
Can you post your exact list of mods? I have a 2013 STi hatch and went stage 2 yesterday, pulled 238hp/268tq on a dynojet. I have an SPT catback, Cobb down pipe, and accessport with 91 octane map. Just wondering if there might be an easy fix to my issue before I reach out to Cobb.
Sorry, suppose that would help...
Invidia Catless downpipe
Extra long fuel line to reduce resonance and fuel stutter
Accessport with 20PSI TP tune
Elevation was 300ft.