APR | B8 Carbon Fibre Turbo Inlet PipeAPR B8 Inlet Pipe The OEM intake system includes resonators in the hose connecting the air box to the throttle body designed to reduce supercharger whine. The APR intake system in Stage 1 form replaces the factory air box and filter, and will deliver roughly 11 AWHP over stock. The APR B8 Inlet Pipe when combined with the Stage 1 Air box will increase power further to around 15 AWHP and will slightly increase intake supercharger whine. This product