Removing Cowl For Throttle Housing (Y-Pipe)

WARNING: This page is about a different car, the 2014 Porsche Cayenne, 2013 Porsche Cayenne, 2012 Porsche Cayenne, and 2011 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Turbo engines =>

On turbo engine: Disconnect boost pressure sensor. -1- (ignore 2 and 3)

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Boost pressure sensor
Lever off clip under the Y-pipe with a screwdriver. -arrow-

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Line holder under Y-pipe
Detach fitted control line -1- under the Y-pipe.

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Removing Y-pipe
Loosen screw-type clamps -2- between the Y pipe and the pressure pipe.
Release both locking pins -3- on the Y-pipe in a clockwise direction and pull them off. Pull Y-pipe off the throttle housing.
Naturally-aspirated engines =>
Loosen screw-type clamp -1- on the throttle housing.

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Release the locking pins -2- of the Y-pipe on both sides in a clockwise direction and pull them off.