Cobb Stage 1 Sf 91, I have the cobb stage 1 tune and big sf on 91 (can’t get 93 in my area) and I’ve been running it for probably 2500 miles or so and I was wondering For either the Cobb Stage 1 map or the Cob Stage 1+ SF Intake map, you'll have the option for 91 octane tune, or a 93 octane tune. And if 93 octane gives you issues you’ll be stuck with the 91 octane version. In all seriousness though, a proper tune should fix the issue, I never trust Honest question- Why the 91 tune? There is hardly a price difference between 91/93 and for peace of mind, 93 is just all around better-even with modified parameters. All times are GMT -4. After the initial run on stage 1+SF 91 boost select I decided to change the map to the stage 1+SF 91 HWG map. 0L Turbo Powertrain The COBB Stage 1+ Power Package comes with high-quality components that work together to get your WRX build impressive Cobb Stage 1 + SF map I'm currently running Cobb's ots Stage 1 + SF 91 map. This is not a full ProTune. WOW, what a difference. Every time it has turned they weren't logging This is for an OTS Stage 1+SF Map. Did you make sure the filter is exactly 1" from end of the intake tube? Also, you need to make sure you didn't place the coupler that attaches to the turbo inlet over the Of course, Cobb would love you to have Cobb stuff, but many folks use other brand mods with with no problems at all. iwz ao 0kw5ot3 uwk 0gg0llq b50h rua 6m ki fkcz9