AWE Tuning Audi RS3 / TT RS 4.5in S-FLO 4in Turbo Inlet Coupler

Description

The S-FLO Carbon Inlet Tube, Shortie Carbon Intake, and Open/Closed S-FLO Carbon Intake Systems come complete with a 4.5 to 3 couplers to mate to the factory 3 turbo inlet pipe. The S-FLO 4 Coupler transitions from 4.5 to 4 to accommodate aftermarket turbo inlet pipes that are 4 in diameter.