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Discussion Starter · #1 ·
I am planning to do
  • H&S mini max
  • aFe Intake
  • aFe intercooler
  • CAC pipe and elbow
  • EGR delete / Wastegate + prewelded downpipe
  • downpipe-back 4" exhaust
Are pre-welded downpipes compatible with downpipe exhaust? I was planning to do 4" exhaust. Do I need some sort of adapter? Should I get flanged exhaust?
:dunno:
What wastegate/downpipe do you have?
 

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All a pre-welded downpipe has differently from a regular downpipe is the pre-welded opening for the wastegate kit to dump the pressure.

If you are looking at a specific pre-welded downpipe, you will want to be sure that the wastegate kit you purchase matches that downpipe. If you were to purchase a pre-welded downpipe from Street Diesel Performance, you would also want to purchase their wastegate kit so that it matches correctly.

Hopefully that makes sense. :thumb:
 

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Ball/socket style. Most downpipes will hook right up to downpipe back exhaust systems.
 

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No problem buddy!
 
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