Stock Restrictor size?
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From: BAIC
Car Info: 03WRX=sold 08STI=newhotness
Stock Restrictor size?
Anyone know the size of the stock restrictor? I'm getting boost spiking with the stock restrictor after my uppipe and turboback install. I want to get a slightly more restrictive restrictor to see if it will help out.
I searched and just got a bunch of 3/16ths threads which is in the opposite way I want to go.
I searched and just got a bunch of 3/16ths threads which is in the opposite way I want to go.
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