Its my understanding that its a resonator that cuts down on intake "noise". Pedro's modification replaces the whole pipe that this is connected to with a piece of straight 3" PVC pipe. I plan to do Pedro's modification this winter.
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2004 Boxster S Silver - FUNTOY
2002 Boxster Base Guardsy Red - FUNBOX
1987 Caterham Super 7 1700 Supersprint
2009 Mercedes Benz CLK 350 convertible
1941 Dodge Luxury Liner Coupe
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