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I'm installing a boost gauge in my dads 06 2.5T today and I'm wondering what the stock boost is. He wis complaining about sluggish performance so I replaced the air filter and the hot side rubber Intercooler couplers with IPD's silicone couplers since the stock ones were cracked and leaking. Instantly when I test drove the car the power was restored. Before it felt as if the turbo wasn't even spooling. There was almost no kick. Now you really feel the turbo spool and pull the car. I just want to make sure the leak is completely fixed so I need to know the stock boost pressure. I'm also replacing the deteriorating TCV lines today.
 

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I want to say the stock boost is 8psi on the 2.5T with the 14T Mitsu turbo.
 
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