The AWE No Check Engine Light Guarantee offers peace of mind against the appearance of Check Engine Lights when products are installed properly and used as intended, on vehicles with no additional modifications (with the exception of other AWE products intended to work with the product in question). No problems, no lights.

S-FLO 4" Coupler: The S-FLO 4" Coupler transitions from 4.5" to 4" to accommodate aftermarket turbo inlet pipes that are 4" in diameter.

Features:

Engineered to be used with the AWE 4.5" S-FLO Carbon Intake components and 4" aftermarket turbo inlet pipes.

Specifications:

50 State Legal : No Country of Orgin : USA Edition: S-FLO Fit Guarantee : Yes Hardware Included: Yes Material: Carbon Fiber No CEL Guarantee : Yes Tune Required: No

Fitment:

Audi RS3 Base Sedan AWD 2.5L 2017-2023 Audi TT RS Quattro Base Coupe AWD 2.5L 2018-2023