Your very best wager is to keep it easy and Feel on using the dual scroll, or not, in a while. Like I posted previously mentioned, In case the intercooler you've got doesn't healthy for the turbo you should.have some modifications to perform which could consider up time. In the https://subaru-ej20-turbo-engine15814.thelateblog.com/29742601/getting-my-forged-ej20-motor-for-sale-to-work