Removing Cowl For Throttle Housing (Y-Pipe)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 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)

Fig 1: Identifying Boost Pressure Sensor
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Lever off clip under the Y-pipe with a screwdriver. -arrow-

Fig 2: Removing Line Holder Under Y-Pipe
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Detach fitted control line -1- under the 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.

Fig 3: Removing Y-Pipe
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Naturally-Aspirated Engines →
Loosen screw-type clamp -1- on the throttle housing.
Release the locking pins -2- of the Y-pipe on both sides in a clockwise direction and pull them off.

Fig 4: Removing Naturally Aspirated Engine Y-Pipe
Courtesy of PORSCHE CARS NORTH AMERICA, INC.