LegacyDan Posted September 23, 2010 Share Posted September 23, 2010 Just fitted my cobb sf intake with mode racing airbox. Just driving home from work. Notices a small bit of stuttering under acceleration and seems to be down on power overall. I reset the ecutek before I left work. Does it take a while for the ecutek to adjust to new intake original should just leave it off untilled a can get it tuned for? Link to comment Share on other sites More sharing options...
PhilT Posted September 23, 2010 Share Posted September 23, 2010 Intake without a tune don't work too well on Subarus, best to leave it off until you can get a tune for it. Better still put the stock airbox back on and sell the Cobb intake, they don't do anything anyway. Double Award Winning Legacy GT Wagon Link to comment Share on other sites More sharing options...
rtbrjason Posted September 23, 2010 Share Posted September 23, 2010 Agreed with PhitT. Your maf scaling is off so all load based tables will be off. If you have no other mods/tune you could probably drive it like this but it would be safest to put the stock setup back until you can get a tune. Link to comment Share on other sites More sharing options...
LegacyDan Posted September 23, 2010 Author Share Posted September 23, 2010 Intake without a tune don't work too well on Subarus, best to leave it off until you can get a tune for it. Better still put the stock airbox back on and sell the Cobb intake, they don't do anything anyway. hmm i thought once i get my map adjusted to suit for new intake it would be fine. My friend with Legacy recently got his mapped, his has powertec intake and 2nd downpipe cat removed and mapper said he was making just over 300hp@fly. Last time i got mine dynoed it was down about 30hp compared to that! i didnt think it would run too well without being re-tuned for but should safely up the power a bit after tune? Link to comment Share on other sites More sharing options...
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