This Intake Pipe puts the Air Filter very close to the stock position. Use this with any IC but no MAS before the turbo. General Notes for the following Intake Pipe: All Intake pipes are made from 16ga mandrel bent steel and powder coated inside and out except CIP-1gL All couplers and clamps are included Small tubes are not included. 2 3/4in size barely clears the 14b-16g waste gate actuator but will also work with the 20g. 3in size fits 20g and Garrett T3/T4's. 3 1/2in size fits largest Garrett T3/T4'st and GMAF35 or GMAF36. 4in size fits 4in inlet turbos. Part Number: CIP-1gQ