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Originally Posted by Jay  Looks like I'll be going with a progressive system. - I'm going to go with the progressive Subaru stageII system. I see this comes with a 2 bar controller. Can I substitute the 3 bar controller for the 2 bar controller offered in the kit when I order it?
- You can put it in the comments section if it is not on the drop down menu
- I also want to upgrade to direct port injection. Will I need to buy nozzles for this kit separately? How do you figure nozzle size? Nozzle size calculator divided by four?
- Yes you will need to divide them by 4 but this would only be worth while if you require at least 5gph. Then you would use 4 M1 nozzles which inject at around 220psi. The WRX has a very effiecent manifold I would simply mount One nozzle at the base of the intercooler outlet. You won't gain a noticible cooling or power gain by going direct port on a WRX.
- The tank will be higher than the pump as well as the engine so I'll also be getting the solenoid valve.
- Does not matter our kits come with a check valve standard so your covered.
- I'm going to get either a 3 bar MAP with plug (If I can substitute the controllers at time of purchase) otherwise I'll go with a 2 bar MAP with the plug
Where would the relay get wired up? Its not shown in the Progressive Install instruction wiring diagram.
The controller is switchable between either mode, you can change it to a 3 or 2 bar from it's original configuration if your running more than 15psi of boost go with a 3 bar and 3 bar sensor. The controller does not require a relay but it does not hurt to run one. Simply wire the relay power out to the controllers pink 12V power wire.
I want to be sure I've got everything needed when I place my order. Am I missing anything needed for my install?
Thanks,
Jay
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Other than that you should be good to go out the box on the install.