997.2 GT3/RS 3.8 & 4.0

997.2 GT3RS 3.8L Dual Cone Carbon Fiber Airbox


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Dundon Motorsports Dual Cone Carbon Air box for the 997.2 GT3RS or for cars with Cup style decklids.  Has Porsche factory 4.0RS filters included

On stock cars adds about 5-8whp

On Dundon Header equipped cars adds 8-10whp.


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