IF you want to fit one, Perrin, COsworth and K & N do kits which include an intake pipe. I think AEM do one also.
But, like said above, limited performance gain on a stock engine. It will slightly improve response and probably give a slight increase in power.
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F.B. Racing
01 WRX (STI badged)
2010 XR5 Focus
06 Impreza Hatch 2.0i
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