Questions on the wastegate hose assembly

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Megatron _ed

Member
Joined
Mar 9, 2015
Messages
42
I had my new ta49 turbo installed yesterday on my turbo trans am and my installer told me I should probably replace the hoses on the wastegate hose assembly (pictured below) as well since they were showing their ago.

I thought about simply replacing the unit but have had a hard time finding it. I know it is gm part number 25525576. Anyone know where I can get it? Also, I heard that some time ago, there was a defect on replacements (orifice too small) that led to overboost. Anyone know if that was corrected?

Thanks
 

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I use 1/4" fuel injection hose. A lot more sturdy and won't break down like vacuum hose.
 
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