Thread: Silencer Mod
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Old 07-22-2003, 02:15 AM   #10
Scooby Specialist
Member#: 18384
Join Date: May 2002
Location: Seattle 'burb (Kirkland)
2004 STi: 580 AWHP
Java Black Pearl


If you just cut the jug portion of the silencer off, you get the airflow improvement along with cool air. You can keep the underhood funnel portion in place too for a stock look.

I think this will net more air than removing it since the plastic piping stretches the gasket in the entrance of the airbox. Without the silencer tubing in place, the gasket/seal expands a bit, reducing the inlet size.

You end up with something of a 'Y'.

Hope this helps,
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