26 x 12 x 3 inches  intercooler in 1989 EFI 930 with stock Whale tail, can be use with Carrera
manifold

26 x 12 x 3 in intercooler with 2 x 3 silicone reducer , 10 inches of 3 OD aluminum pipe, two of  90
degree silicone elbow, one 12 inches aluminum 45 degree aluminum pipe.

$900.
Twin intercoolers for twin turbochargers 911 with Carrera intake manifold.
Intercooler over all size at 28 x 12 x 3, uses two of 10 x 12 x 3 intercooler cores. Inlet size uses
two       2 1/2 inch and one 3 inch. With one 150 degree silicone hose.

$1300
David's 1987 930 with 26 x 12 x 3 intercooler.
1994 965 3.6 engine
Porsche 962 engine bay
Cool Max Silicone hose for intercooler

2in > 3in reducer $25
90 degree elbow $30