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Project Subaru Sti Intake Pipe

Perrin's 3" intake pipe saves the day. It is much larger in diameter and it's obvious that it's going to flow a lot better.
Project Subaru STI Part 6

 Perrin's 3" intake pipe saves the day. It is much larger in diameter and it's obvious that it's going to flow a lot better.  View Related Article

 

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