S-FLO 4.5″ Coupler
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.

Features:

• Colossal 4.5″ carbon intake tube
• Designed, engineered, and tested in-house at AWE
• UV-stabilized resin and clear coat
• Perfect fitment, guaranteed
• AWE No Check Engine Light Guarantee

Fitment:

• Audi 8V RS3 17-19
• Audi TT-RS 17-19

Install Instructions can be found here.