That's a breather tube iirc, but I'd leave it on since you'd be pulling in unmetered air that will throw a code.
Also this if you are having a boost leak it would be post turbo not pre turbo.You're looking in the wrong spot for a boost leak
A boost leak would be on the pressurized side (anywhere after the turbo outlet and up until the throttle body)
That little nipple is where the filter is so thats not unmeterd air as it hasnt passed the MAF yet. Its unfiltered but not un accounted for as it will continue the same path (as the air that entered the filter) to the maf.
Also this if you are having a boost leak it would be post turbo not pre turbo.
That's a breather tube iirc, but I'd leave it on since you'd be pulling in unmetered air that will throw a code.
Curious as to what’s the point of that being there ? ??*
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i mean maybe some torque down but i personally didnt feel less torque. It not like a intake should bog you down low. Do you have a boost gauge? If not PLEASE go buy one.
i only use shell or sunnocoSo my mechanic found out the problem. When I would drive around 2600 rpm and 4K rpm the car would hesitate. It was apparently the kind of fuel being used causing it to retard time. I was using BP 93 which my mechanic stated to use Sunoco or shell. As of now he stated to run it down to E refill with the above fuel and use octane booster or fuel injector cleaner to get the trash gas out.
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