9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
Hey guys and gals, I thought our cars with stock airbox is not supposed to have Turbo Whoose noise?
On my '03, when it had the Garrett Turbo, When I pull hard and let go I can hear a faint but definitive dump noise.
Now that I have swapped the GT2052 to a TD04 (Haven't remapped the ECU yet)...