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Discussion Starter · #1 ·
What is a better design for a down pipe.... im talking about the end that bolts to the turbo... I have seen some that are big open holes and I have seen some with a flat plate in front of the wastegate..

Here are some pics of what im talking about.




Flat plate in front of the wastegate
 

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the flat plate has been said to add some turbulence and some case boost spikes but if your on a budget and dont plan on a turbo upgrade its fine.
bellmouth pipes are also higher quality pipes
if u want the best check out godspeed heard nothing but good:D
 

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Nothing wrong with either of them. I have the invidia down, and stock gutted up. I'm lovin it.
 

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KurleeDaddeeWRX said:
Whatever you do, get a uppipe that has a flex joint in it. It will save you headaches on uppipe leaks later.
if u use new gaskets and torque it using the vishnu instructions there will be no leak.
 
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