I currently have a turboxs recirculation valve on my car. i want to upgrade to a Blow off valve, and I still have my stock air box. I was told if i do so, my car would run rich when i shifted, (or at some point) I was also told that to get a blow off valve i needed to reprogram my car so it would run right. which of this is and isnt true. And what would i need to do if anything for it to run properly?
