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Old 09-22-2017, 01:48 PM   #1
Slowgti08
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CTS TURBO intake

Is this nipple supposed to stay on or off ??? Trying to solve a boost leak that I have and just readjusted the intake I just installed and I am still wondering about this little nipple I have it on as of now. Please help



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Old 09-22-2017, 03:39 PM   #2
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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.
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Old 09-25-2017, 12:15 PM   #3
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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 whatís the point of that being there ? 🤦🏽*♂️


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Old 09-25-2017, 01:09 PM   #4
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some other applications use it. most of our vehicles do not.
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just like god intended. he didnt kill off the dinosaurs for their sweet sweet bone juice to have it go getting wasted by eco-obsessed torque thieves.
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Old 09-25-2017, 01:15 PM   #5
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Curious as to whatís the point of that being there ? 🤦🏽*♂️


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I thought it was either a breather, or some sort of cbfa thing.
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Old 09-23-2017, 03:22 AM   #6
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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)
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Old 09-25-2017, 08:45 AM   #7
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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.
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.


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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)
Also this if you are having a boost leak it would be post turbo not pre turbo.
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just like god intended. he didnt kill off the dinosaurs for their sweet sweet bone juice to have it go getting wasted by eco-obsessed torque thieves.
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Old 09-25-2017, 11:05 AM   #8
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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 true, I wasn't thinking about that at all honestly
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Old 09-26-2017, 10:43 AM   #9
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I was thinking I had a boost leak . After checking the pipe I was hearing an air leak and when I checked the pcv hose wasnít clicked on all the way. I assumed I had a boost leak as the car wasnít as punchy ass it was low end anymore. After searching seems as though that happens with aftermarket intakes,The stock gives you more tq lower end and the after market lessens it but better for top end ?


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Old 09-26-2017, 10:45 AM   #10
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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.
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Old 09-27-2017, 09:45 AM   #11
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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.


Thatís definitely on the list next. Car doesnít feel as punchy as it did. I could gun it and no wheel spin at all. Feels like the car is holding back Iím going to have it looked at.


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Old 09-27-2017, 09:46 AM   #12
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Car is unitronic stage one plus


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Old 10-02-2017, 09:20 AM   #13
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So 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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Old 10-02-2017, 11:03 AM   #14
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So 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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i only use shell or sunnoco
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just like god intended. he didnt kill off the dinosaurs for their sweet sweet bone juice to have it go getting wasted by eco-obsessed torque thieves.
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